AITA for telling my father’s affair partner I don’t owe her or her kids any help or support?
A young man cut off all contact with his father’s former affair partner after she demanded he provide emotional support to her and her children during the fallout from his father’s latest infidelity. Forced into awkward family visits for years during his teens, he never bonded with her or her kids and resents the role they played in destroying his parents’ marriage.
What intensifies the confrontation is her insistence that he owes her children kindness and brotherly support as victims of the same cheating pattern she once enabled. His blunt rejection—that he owes them nothing and wants no part in their lives—has branded him heartless in her eyes, sparking debate over obligations to half-siblings born from betrayal.

‘AITA for telling my father’s affair partner I don’t owe her or her kids any help or support?’
The family fractured when the father cheated, eventually marrying the affair partner and blending households.




Years later, the father cheated again, abandoning the affair partner and prompting her outreach.

The poster rejected the request forcefully, leading to accusations and harassment.



Children of infidelity often grapple with complex loyalties, resentment, and forced relationships that leave lasting scars. The young man’s minimal contact—court-mandated and unwanted—never fostered genuine bonds with the affair partner’s children. Her demand for ongoing support ignores his trauma as the original family’s child, positioning him as emotional collateral in her consequences. Rejecting involvement protects hard-won boundaries after years of obligation.
Opposing views might highlight the younger children’s innocence and potential attachment, suggesting basic kindness aids their stability. Yet no one owes forced sibling roles from parental betrayal; the affair partner reaps patterns she helped establish.
Broader perspectives on blended families stress mutual willingness—imposed ties breed resentment. Therapy often helps process anger without guilt, affirming self-preservation over inherited chaos.
Check out how the community responded:
Many users declared the poster NTA, validating his refusal and lack of obligation.










A few commenters offered practical advice or sympathetic insights into the affair partner’s situation.




A few commenters offered practical advice or sympathetic insights into the affair partner’s situation.



This raw confrontation exposes the lingering damage from parental infidelity, where children of the original family refuse roles in the fallout of affairs they never endorsed. Blunt boundaries protect healing, even if labeled cold by those facing consequences.
Have you cut contact with half-siblings from a parent’s affair—did guilt ever creep in? When does compassion for innocent kids clash with self-preservation from family betrayal?
