he goes both way.... but i dont

okay me and my friend teddy bear hang out all the time and we all ways talk and every one knows i like him exspect him and we flirt sometimes and when i start to talk about some other guy he gives me this look and he never talk about his boyfriend in front of me witch is wierd cause we talk about every thing so i dont know if he feels the same way just doesnt what to tell me or what
help plz