What if your boyfriend said you're the one and he has plan to marry you? Is he saying the truth?

I asked him if he's really sure about me and he said yes He things He found the one. He said he will marry me. We just need to wait for the right time. I told him how sometimes when we're out he can't stop looking at other women. He said he can't control it and it's just normal. He said other guys will keep staring but him he will only look for a second and not for too long. I told him why don't you find someone who's your type so you won't look at other women anymore. He said i can love someone even though they are not my type. It doesn't matter.
I think he's trying to change now. He's trying to take me out on a movie. He's asking me to take a break from
Work on July since he will take 2 weeks off. He wants to go cruise or go to Las Vegas. We've
Never done this before and I'm in shocked. This is the first time he's asking me to watch a movie with him and go cruise. I mean we did watched a movie before but we plan it together. This time, he's the only one who's planning those things.

We've been on and off for 6 years. We have a son. We don't live together. We live with our parents. He asked me so many times if I want to live with his parents and i said no. Because his parents don't like me. I'm afraid they will treat me bad. They don't like me because he is the only chold and they are very protective of him. We're already 25 years old.