It's never too late to figure stuff out about yourself. That sounds like bisexuality to me. There's nothing wrong with not being "Perfectly bi". Labels change throughout your life, that's normal and healthy. Being bi also allows for preference based on gender, and that preference can change (Believe me I've had experience with that).
#Am I bisexual?
alpine sinew
glass dragon
Additionally to what Rosie said, try looking into bifluid and other related sexualities if you still want to find a perfect label