I have learned a trick of dealing with drunken, nasty people. I don't take their calls when they are drunk. I delete their voicemails and emails without reading or listening to them. They are talking nonsense and probably won't remember what they said or did anyway. (I know this from experience, sadly.) Anyway, it took me a long time to understand that allowing other people's abuse to me, is just another form of self-abuse. When you stop self-abusing yourself with alcohol, you will get less tolerant of other people abusing you. Try it earnestly. It will change your life.