Dating after long relationships

Im 32F and I’ve been in long relationships (7hr and 3yrs) and I think I don’t know what the fuck I’m doing. I’m trying to date but find im too picky? I’ve been on two dates with this guy (35) I met and he’s responsive and nice and has a good job, no kids. I hate the fact that he smokes all the time. He hasn’t been a relationship for a long time but many situationships (his words). I find myself very conflicted