Sure, make up any definition you want, because it makes no difference anyway. Clearly, many young adults undergo considerable sexual fluctuations or question their sexuality during this time. Already a subscriber? Kort echoed this sentiment: What kind of porn do gay men watch most often?
Talk to her, and be open about why you feel the way you do.
As a matter of fact, this phenomenon of straight men having sex with other guys is not an uncommon occurrence. My Boris Johnson story Jeremy Vine. They too should be appreciated.
But we humans are complicated!