AITA for Blocking My Ex’s Sister from My Property Over Past Grudges?
A 30-something man is facing backlash for refusing to let his ex-wife’s sister, Josie, and her kids stay in his vacant house. Despite a close post-divorce bond with his ex-wife, Sophia, he harbors deep resentment toward Josie, suspecting her of causing his beloved dog Rosie’s disappearance years ago. With Josie struggling post-divorce and facing homelessness, Sophia believes he’s heartless for saying no, but he’s torn between personal grudges and practical concerns about his property.
This story sparks a heated debate about family obligations, personal boundaries, and lingering grudges after divorce. Is he wrong for prioritizing his feelings over Josie’s plight? The online community largely backs his decision, urging him to protect his assets and suggesting Sophia step up instead. Who’s in the right here, and how should he navigate this family drama?

‘AITA for Blocking My Ex’s Sister from My Property Over Past Grudges?’
The conflict arose when the man refused his ex-wife Sophia’s request to let her sister Josie and her kids stay in his vacant house:

His animosity toward Josie stems from childhood conflicts and the loss of his dog, Rosie:








He has practical concerns about letting Josie stay in his Victorian house:




This story highlights the tension between family obligations and personal boundaries, especially when past grievances are involved. The man’s refusal to let Josie and her kids stay in his vacant house is justified by his deep-seated resentment, rooted in her childhood bullying and suspected role in his dog Rosie’s disappearance. These feelings, combined with legitimate concerns about property damage—given the Victorian house’s toxic paint and untouched memorial rooms—support his stance. Dr. John Gottman, a relationship expert, notes, “Setting clear boundaries with those who’ve caused harm is essential for mental health” (The Seven Principles for Making Marriage Work).
Legally, allowing Josie to stay without a lease risks significant issues, like squatter’s rights in some jurisdictions, where eviction could become a nightmare. The house’s condition, with lead and arsenic paint, also makes it unsafe for children without costly renovations. His reluctance to disturb rooms tied to family deaths reflects a psychological need to preserve personal history, which Josie, given her past, has no claim to.
On the other hand, Sophia might argue he’s callous, as Josie and her kids face potential homelessness. However, the primary responsibility lies with Sophia or Josie’s family, not a former in-law with no legal ties. Sophia’s pressure may indicate a lack of boundaries, especially since she hasn’t offered to house Josie herself.
Socially, this scenario underscores the complexities of maintaining ties with an ex-spouse’s family, particularly when grudges linger. Advice: He should stand firm and suggest Sophia help Josie, such as by hosting her or finding local resources. Consulting a lawyer to protect his property, like installing security cameras or drafting a lease if he reconsiders, is wise. Therapy could help him process his anger toward Josie and grief over Rosie, while reinforcing boundaries with Sophia.
Here’s the input from the Reddit crowd:
The online community largely supports the man’s refusal, emphasizing his right to protect his property and emotions. Here’s a roundup of 15 standout reactions, grouped by theme.
Many affirmed he’s not obligated to help Josie and should safeguard his assets:





Some suggested Sophia or Josie’s family should step up instead:



Others proposed using the situation to uncover the truth about Rosie:


Some highlighted legal risks and security measures:


A few offered concise support or humor:



One sought clarification on Josie’s name:

This story exposes the tension of balancing family ties with personal grudges and practical concerns. The man’s refusal to let Josie and her kids stay in his vacant house stems from deep resentment and valid worries about his property, yet his ex-wife sees it as cruel. The online community backs him, arguing Sophia or Josie’s family should step up. What do you think of his stance? How would you balance compassion with protecting your own interests in a similar situation?
