My mom doesn't believe in bisexuality, and I'm bi?

I came out to my mom and told her I'm bi. She doesn't believe in bisexuality, and thinks people are one way or the other (gay or straight). I'm hurt and don't know what to do.

Any suggestions?

I'm 24 by the way so I'm adult. It doesn't really matter what my mom thinks but I want her to approve of who I am, as any child would.

My mom doesn't believe in bisexuality, and I'm bi?
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