Keep posting for support. He took advantage that you were lonely, and you drank together so now he acts like you are friends, and you owe him loyalty etc. Also, he is trying to shame you, and by harassing your bird he's harassing you. You must be strong. Save your generosity for those who you want to give it to. No, it is never never wrong to want to help people. But when the weather changes from sunny to stormy we put on a coat and boots for protection. You've been generous enough with this guy. End of story. After the letter to him or whatever you do for closure, you really should go No Contact with this person.