Being 16, you're still in the curiousity stage. I'm still somewhat like you are now, only I've discovered a bit more towards my sexuality. Being gay is not a shameful thing, just to let you know. If you're still prone to liking girls and seeing yourself in the future with a mate whom is female, then it is likely that you are either bi OR you are just curious about what it's like to be with someone of the same sex. I suggest experimentation first, to discover whether or not you can truly think of yourself as a homosexual.