I do feel for you. It is hard when it comes to family. You don't have to call him back. Should you chose to call him back then do so. Try and focus the conversation back on his issues. If he asks about your life get vague - not sure - don't know yet - or tell him the truth and say that you don't like being gossiped about and would rather keep things to yourself. Have a pre thought out excuse to get off the phone like some-one else it at the door.