I am a little confused your comment about bisexuality. We are not all put into straight or gay "buckets". Just because YOU don't understand the concept of differing levels within our sexuality does not make it wrong or even make it something that YOU have to understand-we are different-get over it.
At the same time, you like some of her "tomboy" qualities, what are you saying-you seem to be contradicting yourself about aspects of sexuality that are not all black and white.? Maybe I need clarification, perhaps I'm off the beam with what you are asking?
Now, to your question.
wondering if all of a sudden there is this need for experimentation and of course I want to know now before moving any further with my life with her. I guess I don't really believe this whole bi thing anymore, either your straight or gay. If a girl kisses a girl and likes it, what then? Wanting to experiment sexually? I'm a little confused by this and wondering if other people have seen this before.
Well yes, there is experimentation, yes there is bisexuality, SOME girls try it because of curiosity, some girls do it to "understand" (if they feel they are lesbian-to "prove" it , or disprove it), your girl may be bisexual (if the tomboy thing is latent bisexuality), how does that make you feel-if you are worried-ask her about what will happen if she discovers she is bi? Where does it put you? Would she leave you for a girl? Or is it just an aspect of her sexuality?
Its really hard to say... you need to discuss it with her to your satisfaction.
I get the feeling she is bisexual-but you don't "buy" it, so now what will you do?
Now you disagree, yet you see my point and agree with what I wrote??
I think everyone has a degree of some feminine or masculinity and I guess exploring the other side is a choice.
I think that you may need to not get so defensive about it and discuss it with her.. hell you may discover an aspect of your sexuality that you have not explored... Now that might shock you!