Am I a transvestite, transsexual, or still straight?

I've been dressing in my moms clothes for quite a while. I have to have 3 years. But I do it secretly in my room. Some times I put on skirts and other stuff like high heel shoes and stuff like that. Sometimes I be bored and can't help what I do. And one time I busted while doing it. Idk when I started dancing around to old PCD music I busted on myself. Sometimes I feel like a girl inside. After that I went to playing my westling game and the diva I made I busted on myself even more. IT's not funny. It's creepy having an orgasm while looking at a diva you create in a game. I have almost got caught at tiems doing so. HELP ME PLEASE!