How i convice my friend to date hannah who is a lipstick lesbian?

you can call me mean, a ***** anything you please it wont affect me, my best friend is my best friend and i almost lost her because of bi girl leave her in hideous horrible way so i don't tolerate bisexual, i want my best friend to break up with Ann who is bisexual and hook with Hannah, got any ideas how i can made this happen? if you aren't going to give me ideas don't answer