Could I be bi?

So I know this is for girls who like girls and I do I think anyways........ I've only ever dated guys but have had feelings for girls before but never acted in them and don't think an girl has ever liked me but ive been asked a few times if im bi and idk what to say so I usually say straight I've had feeling for girls I find my self having feelings for girls more than guys I just don't know how to identify and if i am how do I come out I just idk can anyone help possibly? I wanna be able to answer truthfully and confident when asked and also to help find and know my self cause ive been struggling to know who I am and this would help alot