Am I wrong for helping my dads former mistress and her daughter?

In a quiet suburban home, a young woman’s world unravels as she uncovers a web of secrets spun by her parents’ tangled marriage. At 25, she faces a moral crossroads: stand by her family or protect a stranger and her child, caught in her father’s deceit. The air crackles with tension as she grapples with betrayal, loyalty, and the weight of doing what’s right. Her choice sparks a firestorm, leaving readers wondering—where does family end and justice begin?

This gripping tale, shared on Reddit, dives into the messiness of human relationships, where love and lies collide. With her parents’ marriage exposed as a house of cards, the original poster (OP) navigates a storm of emotions, from disgust to determination. Readers are drawn into her struggle, eager to unpack the drama and debate the fallout. Let’s dive into her story and see what the community thinks.

‘Am I wrong for helping my dads former mistress and her daughter?’

I(25F) was an only child until all this went down. My mom(45F) and dad(65M) have been married for 26 years. So yeah when they got together my mom was 19 and my dad was almost 40. My whole life I thought their age gap was weird, however my parents for the most part appeared to be happy an in love.

They adore me, so I guess I never really saw the problem until I put all the pieces together. My mom and dad are both professors, but at different colleges. My dad has always been that professor to go the extra mile and help students. I noticed in my late teen years he’d tutor students at our house.

A couple of times he did it when my mom wasn’t home and the students were usually female. When this would happen I’d tell my mom and she would always shut me down. She wasn’t defensive, more dismissive. I moved out when I was 18 so I didn’t see anything else.

My dad retired pretty abruptly at the start of last year. He never gave any hint that he’d do this, he loves his job. I have now found out my dad got a 20 year old student pregnant. We will call her Bea. Bea(22F) threatened to report him if he didn’t help out with the child and he retired and ghosted her.

Bea got in contact with me and explained everything. That my dad manipulated her, said my mom was evil and that he’d leave my mom for her. She admits to being stupid and in love. They had a relationship for about a month then he started ignoring her. She sent me a photo of my half sister and she looked exactly like me, she’s almost 2.

Bea asked me to meet her and her daughter, and I said I’d think about it. I decided to let my know mom before hand and to my disgust she already knew. Bea has been contacting my mother this whole time and my mother ignored her.

Bea and her daughter live in their car and all she wanted was a little support so they weren’t homeless. I was disgusted with my mother and father. My dad ended up coming in to the room in the middle of the conversation and told me Bea was just a s**t and the kid wasn’t his.

He also admitted to cheating and said my mom had forgiven him. My mom laughed and said Bea was beneath them and if she wants help she can get on assistance. I was so angry I yelled at them. My dad asked how he could make it better and I said get a DNA test.

It’s been a few weeks and my dad is the father. I have met my little sister and Bea and I love them both so much already. Bea and her daughter have moved in with me and I’m helping Bea get a lawyer so she can go after my dad for child support. I’ve also found out my dad has had affairs with dozens of women ages 18-20.

My dads a creep and I can’t even look at him. My mom found out about Bea and my sister living with me and she won’t stop calling and texting me. She keeps calling me a t**itor and saying if I don’t make this right she’ll disown me.

I love my mom, I do, but I told her she has no right judging me when she knew all of this and did nothing to help and didn’t hold my dad accountable. My dad sent me a text saying my mom won’t leave the house and she has been crying because she just wants me to let this go.

I ignored him. I don’t know why I’m choosing this hill to die on but it just feels like the right thing to do. However, I’m having second thoughts everyone is so upset and even Bea says I don’t have to do this because she can see how stressed I am. So I guess I just need to know for sure. Am I wrong?

This family saga is a tangled mess of loyalty and betrayal. The OP’s choice to support her father’s former mistress and half-sister highlights a tough dilemma: family ties versus moral duty. Let’s unpack it with some expert perspective.

The OP’s father, a professor, exploited his authority, preying on young students like Bea. Her mother’s dismissal of this behavior enabled the harm. Psychology Today suggests enablers often avoid painful truths, perpetuating toxic cycles. The OP’s stand breaks this pattern, prioritizing justice.

This reflects broader issues of power in relationships. A 2019 study in the Journal of Social Issues notes age-gap dynamics can foster manipulation, as seen here. Dr. Gail Saltz, a psychiatrist, says, “Confronting harmful family secrets is key to healing”. The OP’s actions align with this, offering Bea stability and exposing her father’s pattern.

For solutions, the OP should set boundaries with her parents and consider therapy to process this betrayal. Supporting Bea’s legal efforts is a solid step.

Here’s what the community had to contribute:

Reddit’s crew didn’t hold back, serving up a spicy mix of support, shade, and speculation. It’s like a virtual town square where everyone’s got an opinion and a megaphone. Here’s the unfiltered scoop from the community, packed with cheers for the OP and some serious side-eye for her parents:

NikkeiReigns − I'd be willing to bet you have a few more siblings you don't know about.

Fun_Concentrate_7844 − YNW....you're actually the only member in your family with any decent morals.

Qwerty_Cutie1 − NTA, I'm sorry but you're dad is a straight up predator. I feel for your mum because it sounds like she was young and groomed by him but that doesn't excuse her turning her back on her husband's beahviour. It's just all around gross. Good for you helping Bea and your half-sister out. If I was in your shoes I would cut them out until they're ready to face up to everything.

Leather-Lab8120 − Prof Dad (64M) fucks and impregnates young coed.. Claim not paternity. Bio daughter 25F takes in Dad's Baby Momma, 22F, and 2 yo child. We got some HEROS here. 25F stepped up and protected a small child and mother when Bio Dad mom and his long term wife, 45F, revoke responsibility.

Despicable IMO. Bea and her daughter have moved in with me and I’m helping Bea get a lawyer so she can go after my dad for child support. I’ve also found out my dad has had affairs with dozens of women ages 18-20. My dads a creep and I can’t even look at him

PoppyStaff − You’re not wrong. You’re a darling and you’re right about your dad being a creep. You’re blinded by your love for your mother so you can’t see what an a**hole she is being about this. Enjoy your new family and let your parents stew until they start to behave themselves.

No-Mango8923 − NOT WRONG. You are an awesome person. I really mean that. You are right, your dad is a creep and both your parents are awful people.. Thank you for helping Bea and her kid. You're an awesome half-sister to the kid.

Kampfzwerg0 − I thought this story would go different.. I understand your mothers anger. But you father is the AH.. You are not the t**itor, he is. And that’s what you should tell your mother. He fucked up.. Even if they had an open relationship, this behaviour is not ok.

lovinglifeatmyage − Your parents are disgusting, your father is a lecherous creep. He has obviously preyed on young women for years, including your mother for a guess.. How on earth did you end up so different?. Good for you for helping them out. I hope she gets her child support

rocketmn69 − Your parents have had a weird s**ual thing with students for a lot if years. Your mom was the first and it continued. The tutoring at home was in the bedroom with your mom's consent, she might have procured these girls for dad. Bea is probably the first that didn't want an a**rtion

[Reddit User] − Wow. You and Bea are the only adults in this situation. You're seriously amazing for doing the right thing. I'm sorry that you're finding out that your parents are s**tty people. Especially your dad. ~~It's really sad that your mom is such an enabler.~~ I take that back, your dad brainwashed her from a young age.

These Redditors are all in, hailing the OP as a hero or dragging her parents’ moral compass. Some call her dad a predator; others pity her mom’s enabling ways. But are these hot takes the full picture, or just fanning the flames? One thing’s clear—this story’s got everyone talking. What’s your verdict?

The OP’s saga is a gut-punch, exposing the messy truth behind a “perfect” family. By choosing compassion over complacency, she’s not just helping Bea and her half-sister—she’s rewriting her own story. Her courage sparks a question: when family loyalty clashes with doing right, which wins? This tale leaves us pondering our own values and the secrets we’d confront.

What would you do if you were in the OP’s shoes? Would you stand by Bea or try to mend fences with your parents? Drop your thoughts below and let’s keep this conversation going.

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