bisexuals and imposter syndrome

something that I’ve seen over the course of the last few years is bisexuals repeatedly referring to themselves as “gay” or “so gay”. which is fine. but I think a lot of it is down to the feeling of somewhat having one foot in the lgbt community and one foot out.
bisexuals face biphobia at every turn. once they date someone of the same sex they’ve “chosen to be gay” or if they choose to date someone of the opposite sex they’ve “chosen to be straight”: they’ve “picked a side”
erasure of identity is something bisexuals have deal with both by the lgbt community and outside of it. they aren’t quite straight enough to be straight but aren’t quite gay enough to be gay. I’ve had bisexual friends worry that they can’t go to pride with their partner because
although they’re bisexual, they’re in a heterosexual relationship. so, in turn I think a lot of bisexuals overcompensate in regards to their non-heterosexuality, proclaiming how “gay” they are and never seem to like using the term “bisexual”.
It’s like bisexuals feel they need to play up the parts of themselves that are non-homosexual and emphasise that to feel comfortable in spaces intended to include them.