Bisexuality Support Group
Bisexuality is a sexual orientation which refers to the aesthetic, romantic, and/or sexual attraction of individuals to other individuals of both their own and the opposite gender or sex. Most bisexuals are not equally attracted to men and women, and may even shift between states of finding either sex exclusively attractive over the course of time.
i hope that helps any...
just giving you my point of view having been thru it and looking at it from where i began which is where your at right now.
You both also need trust or this can never end well if you do, do it.
Best of luck just voice your opinions and stay strong on what you want not what he wants.