Does he like me?

Okay so I have been working with this guy for maybe like 5-6 months and we have been really flirty with each other for most of that time and we have become kinda close. I know he is at least interested in sleeping with me (we haven’t yet slept with each other) because we talk about it often. But I’m on the fence about whether he likes me, mostly because I just have this thing in my head where I don’t believe anyone could possibly like me. Tonight when I was messaging him he called me pretty girl and it honestly makes me so nervous but so likeeee hopeful that maybe he does like me. I guess I’m just asking what you girls think and what I should do or say? I don’t want to scare him off by saying something to put there or weird, but I also don’t want to wait and him lose interest in me if you know what I mean? Any advice haha