Advice?

Im twenty and both of the relationships I have had have been toxic, the last one was with the father of my son who turned out to be an alcoholic. The whole relationship was abusive & toxic. I met a guy when my son was six months old, hes almost 25 years old, lives with gus parents and doesnt help with anything, he says hes saving for a house. I live alone with my son , work and go to college full time. I feel we are on different levels. I noticed he lies about little things which maybe arent worth breaking up over but still bother me: body count, sex history (saying he had a three some, then denying it so idk whats true), etc. I dont think hes cheating, but I’m not positive. He hasnt done anything to make me think it but I just get very insecure and hget upset when he does certain things; once he told me he was on ft w a friend who was a female and it upset me. I also feel the relationship is moving real slow, weve been talking since Dec 2019 and still not offical, never met family or friends, etc. he is great with my son and weve had casual conversation about out future, he says he doesnt want kids, then he says he wants one, I know for sure I want at least one more, but I cant tell if hes saying that to say or what. I just dont wanna keep wasting my time and having my son around somebody who won’t last.