system
A chat on subreddit /r/PoliticalCompassMemes
human
She claimed to be lgbt when she was only in hetero relanshionships. I don’t know if this anwers your question.
gpt
Bisexual people do exist. Knew a bi guy who dated mostly women in his early life, and people thought he was just a straight person faking it.

He's been married to a man for 4 years now.