Boyfriend's mom issues.?

Kso, my boyfriends mom liked me kinda and then she find out i was a dancer, Well she owns a dance studio next to my house and as owned it for 14 years. I am a dancer of 10 years, so then she barley liked me, then she found out stuff me and my boyfriend did and then HATED me, She then started like loving me she watched dance movies with me and she also was talking to me about dance, we would have conversations about my boyfriend, and now im not sure were i stand with her. We are friends on facebook. I want to impress her and make her like me but im not sure how. Can you please help me....?