Bi books?

So yeah, this is the Polysexual Pride flag colors , not the bisexual pride. I've identified as bisexual, queer, & pansexual over the years.

My 6 lines are not from a book or a book recommendation, but thoughts about books featuring bisexual+ characters. Thoughts encouraged by a friend's post and bisexual erasure I've experienced over the years...

Do bisexual characters have to prove themselves, been queer enough, like flesh-and-blood bisexuals?
Can a bisexual character still be considered bisexual if they finish the book being patterned monogamously with personal of another gender?
Do bisexual males exist in fiction? Or are they as seemingly rare as they are in non-fiction life?
Are bisexual characters held to stereotypes about bisexuals, whether or not the author acknowledges the stereotypes in their fictional world?
Can a bisexual character exist in a book not erotic in nature?

Over 5/3 and 5/4, people will be sharing links to their 6 lines of LGBTQ+ fiction at https://www.facebook.com/groups/RainbowSnippets/