Family advice: I told my brother the real reason he got broken up with. Now he won't speak to me.

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Dear Prudence,

My brother has not gotten over his ex-wife, even though they divorced five years ago. Other than him not living in the marital home, nothing has changed. He goes on vacation with his ex and their kids, to the zoo and museums, and often comes over for dinner. And he pays for everything. He takes the kids while his ex goes out and has fun with her many boyfriends. He claims he is doing it “for the kids,” when it is obvious to anyone with eyes that he wants to play family with his ex.

This enmeshment has led to him having a serious string of failed relationships. The last breakup left him very confused and bitter because he was talking about moving in with and getting married to her. Except, on the week