Does my friend have a crush on me?!?

My friend knows I'm bi and I've known her for a year, she's really nice to me and always gives me hugs. She holds my hand all the time she even said a couple times "my boyfriend would be jealous" and I asked why and she said "because I'm holding your hand" and she always says "I love you" I don't know if she's bi because she's christan and it's like a sin in christianity or something. and she has a boyfriend but she always does those things when she's around me. She plays with my hair and always lifts my chin up and smiles at me afterwords. Sometimes she pulls me into her (like really close to her body.) I don't think she does it to anyone else. I haven't seen her do it to anyone else. Do you think she has a crush on me? Also I don't really mind if she does, it isn't awkward and I'm not upset I'm just curious.