Feeling lost

Husband decided after an argument that he doesn’t want to be married to me anymore, see me, talk to me etc. he’s also decided not to financially support me anymore and we have two children. It’s only been a few days since he’s saying this and some say “he’s just angry” I don’t believe that’s true. He’s never been to this degree before. I’m trying to weigh my options so that I don’t just jump into anything head first. Also, he went on a guys trip this weekend ... not sure if he’s cheating or what. However I need to move forward with life. Should I stay in the state we moved to or move back to the state near family. I really don’t want to go backwards, but I’m so hurt and confused right now....