I don’t know what to do

Ok so ladies I need some advice I have a first love and we were together in 9th grade and we broke up long story short we are very close friends and it’s like I’m still in love with him and now he has a new girl best friend and I feel like they are gonna try to go together it’s like I love this guy so much I don’t know what to do I just don’t wanna get hurt what should I do? I mean he says he doesn’t want a gf rn but I feel like he might try to get with her or she might try to get with him