Is my girlfriend gay ?

She kisses and like bites in a way and rubs her bottom lip on my chin which has hair making me think she acts like it s a vagina. Also I rub my hand on her face and she does that same thing like she is imagining its something cud it turns her on. Also my head is buzzed and a strip of hair is on top as I m also lossing hair and she looks at that part weirdly and also kises and licks and the bottom lip thing to it making me think she acts as if it s a vagina buzzed if u know what I mean. Any ideas ? She never did this till she got comfortable I guess or she sees my sister n I could swear after that she changed in bed doing weird things. Also she started to grab my chest and kiss both and same thing again with lip like the rest... Please if any gay women are hearing this give a honest opinion. She is girly but idk but she has sex with me Allot few times a day... She also stares off sometimes at the wall like she is imagining something

help please