Emily. Massive wannabe art student. "I have a tender spot in my heart for cripples and bastards and broken things." -Tyrion Lannister
Bisexual as attraction to men and women is a heteronormative definition.
Bisexual as attraction to same and different genders is the bisexual communities definition.
When queer people say that bisexual reinforces a gender binary, tell them they sound like straight people.