is there any way to make it less awkward?

i mean with my family and my boyfriend's family.My family is very accepting like very accepting and everything but it's very awkward for me to talk about my boyfriend when I'm with my family and about my gayness lol, and it's been like that since I came out in 2013. It's very weird too because my sister is a lesbian and it's even awkward to talk about it with her, and whenever I try and talk about it she gets uncomfortable and yeah...My mom isn't really keen on my boyfriend because she thinks that he'll cheat on me (lol, what an excuse... she doesn't even know him and we've been together for almost 7 months). I really wanna introduce him to them but it's all so awkward. I'm 20 years old and he's 21 so we don't really care much since it's not like we're minors and they can control us but I don't know... it's just that I still don't feel accepted, although I am accepted????My boyfriend came out some time ago but his family just acknowledged it and I don't know I really want to be able to go to his house and have him come to mine. The other day he came to my house and he literally did nothing like we were in my bed napping and my sister got uncomfortable??? wtf?edit: it hurts me because i feel like my family is sort of holding me back, plus my trauma related to dealing with bullying at school and other things that made me ashamed of who i am. I've been going to therapy for a while and it was finally getting better and my sister literally told me that i was being too "extra" and "fake" because i wanted to paint my fucking nails. She said that I'm acting a way I'd never acted.... yeah... because i'm finally accepting who i am and am doing things i've wanted to do for my entire life.