Dating a girl who has always dated guys. Does her dating me make her a ?

I am having doubts about the girl I've been seeing for the past 10 months. It seems my friends and some family have qualms about her because she seems self important, I don't know, "bitchy," as my cousin would say. My mother expresses no opinion, nor my sister but aren't overly enthused about her either, just sort of indifferent. I am also a girl, so this is a relationship. I'm her first female experience. I don't look butch but am what my friend calls, a "granola girl?" The girl I'm seeing is pretty girly, her favorite color is pink. She is very experienced with guys ually and a few relationships. She hates going to gay bars too because she feels and acts uncomfortable. Which doesn't really bother me, because I'm not a big club person. I usually go to straight establishments anyway and have mostly straight friends. I say that because, it emphasis the duality, comfortable being with me but not comfortable with other s.