AITAH for not letting my ex DIL and her kid to vacation at our house?

Few things test family bonds like a house full of guests during a health crisis. An elderly father drew a hard line when his son announced plans to bring not just the grandkids, but also the ex-daughter-in-law and her rambunctious toddler for a two-week stay.

The original poster, 68, lives with his 65-year-old wife battling terminal cancer. Their son, separated but not divorced, assumed the family home could absorb five extra bodies, including a 3.5-year-old known for misbehavior. Dad countered with Airbnb suggestions and blunt questions about finances and motives. Mom stayed neutral, saying “it’s just two weeks.” The refusal ignited accusations of selfishness, revealing deep cracks in priorities when time runs short.

‘AITAH for not letting my ex DIL and her kid to vacation at our house?’

Family dynamics and separation history framed the setup.

I’m 68 years old and have three kids with my wife (65). My oldest son lives across the country . He and his wife, Jennifer, got separated ( never divorced)...

They are still best friends which great for the kids. Since separation, she had another baby from a very brief relationship. Jennifer’s youngest kid is 3.5. My son met a...

Everytime he comes to see her , he stays at our place . We love having him so it’s not a problem . Sometimes he comes with his kids so...

The summer plan announcement triggered immediate concerns.

Today , he told me this summer he is coming with the kids , his ex wife , Jennifer and her kid and they Will be staying at our place...

I suggested booking an air bnb but he got upset . I asked why exactly he is bringing Jennifer and her kid to this trip ( and paying for them...

I reminded him again that we love Jennifer but her kid is not really well behaved and his mom needs to rest . My son think iam an a__hole for...

Location and relationship details added context.

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ps: we live in Ontario , Canada . My son a Jennifer live in British Columbia , which is 5 hour flight from us . My son’s gf lives in...

Updates clarified finances and fears.

update : first off , yes my son pays alimony and child support and even still pays for Jennifer’s rent. his finances are non of my business . They decided...

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second , son believes AIRBNB would be a waste of money because Jennifer an the kids would be out all day sightseeing. My fear is the baby gets sick and...

The clash arose when the son demanded space for his separated wife, their three kids, and her toddler during a visit, ignoring his mother’s terminal cancer. The father refused, citing overload and behavioral issues. The son labeled him selfish, while the wife minimized impact. Caregiving strain met family entitlement, escalating over unasked guests.

The poster acted from protective instinct, foreseeing chaos amid fragile health routines. His direct questions revealed frustration with blurred roles. The son leaned on convenience, viewing the home as unlimited resource. The wife’s acquiescence likely stemmed from grandchild longing, overlooking her own limits.

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Geriatric psychologist Dr. Gene Cohen emphasized that “Caregivers must set boundaries to prevent burnout, especially in terminal cases where energy preserves quality time” (The Mature Mind, 2005). Ignoring this risks everyone’s well-being, turning visits hostile.

Communicate limits calmly in writing for clarity. Involve a neutral family member to mediate. Prepare the home minimally for approved guests only. Seek respite care support to manage any overlap without resentment.

See what others had to share with OP:

The online crowd delivered a near-unanimous verdict on this overcrowded summer plan, zeroing in on the son’s tone-deaf demands while his mother faces terminal illness. Reactions split into two main streams: fierce defense of the parents’ boundaries and tactical advice for enforcement.

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A tidal wave of users branded the son selfish and entitled for expecting a cancer-stricken household to manage an extra adult plus a disruptive toddler.

Freeverse711 − NTA. But your son sure is 100% selfish.

FAFO-13 − NTA. Your son, however, is a huge a__hole. He probably figures the ex-wife can watch all the kids at your house while he’s out getting laid.

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Absolutely zero concern or consideration for his sick mother. I would call the ex-wife directly and tell her unfortunately due to your wife’s illness you are unable to host her.

90skid12 − Your son is a selfish AH! he knows his mom has terminal cancer yet expects her to host his ex , toddler and his three kids for TWO...

Tannim44 − NTA, it’s you house, your grown son doesn’t get to impose additional guests on you without asking. To use the cliche, houseguests are a 2 yes proposition and...

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But stop blaming your wife and just tell your son that you don’t have the mental bandwidth to deal with a small child full time right now.

Hyacinth_Bouque − His mum has terminal cancer and your son is throwing a hissy fit that she isn't hosting an extra adult and a toddler? What manner of selfish aholery...

ABCBDMomma − NTA. Your son is being very selfish. It is a huge burden on your wife to have so many extra people in the house. Your wife may feel...

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Rooflife1 − NTA. And if you were you would have the right to be. Five people, one a badly behaved child, is a lot to take on.

Proud-Geek1019 − NTA, and I am sorry, but you sound like you have a selfish and entitled son who wants the best of all worlds (a wife and a girlfriend).

Of course his ex "helps" with the kids - they are her children! !! That's called "the bare minimum". Put your foot down and say no - doesn't sound like...

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Shai7809 − NTA - **I reminded him that his mom has terminal cancer and we really can’t host another adult and a young baby ! ** Your wife is your...

FriedaClaxton22 − NTA. Your son is huge one though. You should absolutely not let them stay there. Your wife's care and comfort comes first. Your son is selfish and awful.

A smaller, practical faction urged direct action and checking the wife’s true wishes.

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Beautiful-Report58 − You are going through a lot and your concerns are completely valid. Have another conversation with your son about your wife’s health and how you would like this...

Next year, the dynamics will be different and be suited for the ex and all of her children to visit. You are trying to protect your wife, which is commendable,

and you are trying to protect your heart too. You have added stress that cannot accommodate a young child. It is okay to say all of that to him. NTA

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Creative-Skill-7212 − I had family members burn out and die early from cancer because they never said no. Say no for your sick wife. Help her say no

boredathome1962 − Hmm. ..Your wife may well want to see her grandchildren, she won't have many visits left. So check with her before you make any decisions. With son, new...

Your wife may well have had a good relationship with Jennifer, and might like to see her, maybe for the last time. In the end OP, it's all down to...

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[Reddit User] − If your son can’t take care of his own kids for 2 weeks, he’s a s__t dad. What a d__k, stand your ground. Edited for typo!

wlfwrtr − NTA Your wife's health has to be number one priority. Does GF know he's still married?

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Protecting a dying spouse sometimes means disappointing an adult child. The original poster chose his wife’s comfort over a chaotic two-week takeover, exposing how grief and logistics collide when time is precious.

Boundaries prevent resentment. A simple “no” now preserves energy for meaningful grandparent moments later. The son’s reaction hints at deeper entitlement issues worth addressing separately. Would you call Jennifer yourself to cancel, or let the son relay the message? When does “helping with kids” cross into freeloading?

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