Search Results: does he truly still love me

So, I've always known I'm bisexual, but something is telling me that perhaps my observations may not be accurate.
In my lifetime I have only dated one person and it is a person that I am still currently dating today. It is a man, and I am devoted to him and we do plan to marry in the future, but don't let that stop your conclusions right there.
You know how typically, in the man and woman relationship, the man tends to look at other women and check them out even when they are still in a relationship, but the woman doesn't? Well this case is different for me, and I feel terrible because of it.
The man I'm with now, and the only person I've ever dated in my lifetime, is the only man or person for that matter that I've ever loved and I truly do love him. We do plan to marry in the future, and I am pretty sure that he is my soulmate as we do connect on numerous different levels.
However, I've had other people on my mind and when I walk the hallways of my school, and I pass by hundreds of people a day, I can't help but notice and steal a glance at some women do I tend to think are attractive.
I've seen and have many witnesses that my boyfriend as a matter of fact does not check other people out, and he's completely devoted to me as much as I am to him, but I feel as if I'm not as devoted as I may say that I am. I am not in love or have had a crush on any man except him. Everyone else was female.
Is it wrong that I am attracted to other woman in my relationship? Of course I've never flirted with any of them, and would never cheat, because I am in love with my boyfriend and future husband, why do I get a sense I'm more homosexual than heterosexual?

Can a lesbian only fall in love with one man?