What should I do if boyfriend doesn’t accept my sexuality?

I am bisexual
My boyfriend and I have been together for around 10 months and he never knew I was bisexual until a few days ago. He told me I’m weird.

He told me I’d change if I really loved him. I love him so much but I don’t think I can change.

What should I do?
What should I do if boyfriend doesn’t accept my sexuality?
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