Relationship help

Alright so I met this guy over the summer and we hung out like three times . I really liked him where I was obsessed because I never felt this way , it was like love at first sight😂. Anyway I doubted he liked me cause he was kinda mean to me the whole time so yeah and he had a girlfriend during the time. Well we started talking a month or two later and turns out we like eachother and he said I should text him more(he broke up with his gf the day we hung out for the first time and he had another gf, for like a week but after that is when we started talking) . Point is, I started texting him more and he wants me to get close with him but I don’t know if I should trust him. He flirts a lot at his school , and he is quite popular .Also we go to different schools so we wouldn’t be able to hang out a lot only really in the summer . I wouldn’t still be texting him if it was just this, I just set myself apart front the other girls he flirts with because we actually look like we have a lot in common and we look kinda alike. I really need help!!