AITA for not paying my nephews’ tuition?

A 39-year-old woman recently finalized a divorce after a one-night stand with a colleague turned into a messy scandal when he sent proof to her husband. The split was relatively civil — she kept the family home (set up to transfer to their 17-year-old son David eventually), and they share custody.

But now a new conflict has erupted. Her father’s terminal cancer diagnosis prompted a planned family cruise — overlapping with her ex-husband’s custody time. While he’s open to discussing it, he has already refused to continue paying private school tuition for her sister’s two sons (16M and 13M), who had been benefiting from his generosity during the marriage. Her family insists she sell the house to cover the fees, arguing the divorce was her fault. She feels guilty but doesn’t want to lose her home. Is she the asshole for refusing?

‘AITA for not paying my nephews’ tuition?’

It all began with a marriage that ended because of my own mistake:

Then came the heartbreaking news that changed priorities:

At the same time, the school tuition bill arrived at a very sensitive moment:

My sister and her family reacted with strong feelings of unfairness:

Pressure from my parents quickly escalated with a drastic suggestion:

My ex-husband has stayed firm on his position:

And finally, the inner conflict that keeps me up at night:

This is not about whether the nephews “deserve” to stay in private school — it’s about legal, moral, and practical boundaries after a divorce. The ex-husband (John) was never legally obligated to pay for his ex-sister-in-law’s children. That generosity existed only while the marriage did. Once the marriage ended, so did any informal financial support arrangement.

The family’s demand that the OP sell the house (which is legally structured to protect her son’s inheritance) is unreasonable and emotionally manipulative. The house is not just an asset — it’s a home and future security for David. Suggesting she give it up to subsidize her sister’s lifestyle choices ignores her own financial reality and her son’s long-term interests.

Psychologist Dr. John Gottman (renowned for divorce and family dynamics research) has noted that post-divorce, extended family often tries to preserve pre-divorce benefits at the expense of the newly single parties — especially when guilt (here from the affair) can be weaponized. The aunt and parents are projecting responsibility onto the OP instead of addressing their own financial planning or seeking scholarships, loans, or public-school options.

The OP is not the asshole for refusing to pay or sell the house. She acknowledges her role in the divorce and feels appropriate guilt — but that guilt does not extend to indefinitely bankrolling her sister’s children. The ex-husband is also within his rights to stop paying. The real question is whether the family will respect new boundaries or continue to punish the OP for past mistakes.

Here’s the comments of Reddit users:

The Reddit community overwhelmingly sided with the OP — NTA — and were shocked by the family’s entitlement.

Most readers called the family’s demands outrageous and unfair:

Many defended the ex-husband’s stance:

A few highlighted the bigger picture:

You’re not the asshole for refusing to pay your nephews’ tuition or sell your house. The divorce changed the financial reality — and your ex-husband was never legally required to subsidize your sister’s children. Your family’s insistence that you sacrifice your son’s future home and stability to “fix” the situation is deeply unfair.

Your guilt is understandable — the affair was your mistake — but it doesn’t create an open-ended obligation to fund your sister’s lifestyle choices. The nephews’ education is ultimately their parents’ responsibility, not yours or your ex’s. If the cruise is truly important for your father, focus on securing your ex’s agreement without leveraging the tuition issue. You can feel compassion for your nephews without destroying your own security. What do you think — should she stand firm, or is there a compromise that could keep the peace without costing her everything?