He's my bestfriend. Does he like me?

So, I've know him for 3 years now. We're bestfriends& we go to both church& school together. He always goes out of his way to talk to me. If I'm around people he'll go stand by me to talk. He always picks on me& jokes with me. The littlest things I say he'll laugh& say you're a dork. When I ask why he'll just say you are. He'll run up from behind me yelling my name& he'll rap his arms around me& hug me tight& say 'hi! (:' We always make up handshakes. When ever I see him he'll mention our little inside jokes. He always brings up the time we went on a rollercoaster together& had to sit with these to random girls& they said we'd make a cute couple& asked if we were one. Here's the problem... he has a girlfriend now after I tols him we might not last together as a couple when he asked. The only reason I said those stupid words is 'cause I was heartbroken from my ex. He still does all these things& my friend tells me she see's how he looks at me.. like he still likes me. Idk what to do. p.s. I see him more than his girlfriend 'cause I go to church with him! By the way his girlfriend doesn't like me 'cause we're bestfriends& she always throws me dirty looks. When I told him she looks at me weird he said it's 'cause she thinks I'm pretty... that's stuuupid if you ask me! She doesn't like me because of my face? okay then. I don't like her either because of she acts.