Am i bi? Or lesbian?

I’m literally so confused whether i’m lesbian or bi. I have had a boyfriend before and i like a boy now but only when i’m around him if that makes sense? So when im away from him i don’t really like him, like i don’t think about him much but when im around him i feel the feelings all over again. I have a FAT crush on this celebrity that is a girl and i really like her, i am constantly checking her instagram to see if she has posted and i get insanely jealous when i see her with someone else especially a man, so am i lesbian? I have liked a girl before but i don’t really like her now, like i still think she’s attractive but i wouldn’t say she is my crush now. I’m really confused, i feel like im bi but im not sure because i really like women, i find men attractive but like only certain men, like i find their features and personality attractive but i have quite high standards for men. But for women i just feel quite attracted to them. This is really driving me insane as i am scared to say i could possibly be lesbian but am i just trying to force myself to be bi because im scared to be lesbian? ALSO i think my dad knows i like this boy and when he teases me about it i cant explain it but i join in on the teasing and i am blushing a little bit at the thought of him but this only really happens around my parents, and when i am out in public with my parents i tend to notice men that i find attractive more than i do with women.