I want a girlfriend, a future wife? How do I find a commited gay or bi girl?

23, I'm bisexual but I crush on females 95% more. Females find me attractive or beautiful but I have no idea if there gay without making it weird so I can flirt. Plus I want serious relationship most females i met just want to try it with an attractive female, which just puts me so off
I want a girlfriend, a future wife? How do I find a commited gay or bi girl?
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