I have had my first sexual experience with a woman, does this make me a lesbian?

I have had my first sexual experience with a woman, does this make me a lesbian?

Eleanor McKenzie (Sex Expert) gives expert video advice on: How can I tell people close to me that I am gay? and more...

It's very common for people of both genders to have fantasies or sexual feelings for people of their same gender, and to just want to experiment one time and find out what it feels like. Does it suit me? Do I like it, or hate it? A person doesn't need to feel that if they do it once, that that means it is forever.