I don't understand when I became my best friend's lover, we are two girls!!!

I don't understand when I became my best friend's lover, we are two girls!!!I don't understand when I became my best friend's lover, we are two girls!!!I don't understand when I became my best friend's lover, we are two girls!!!I don't understand when I became my best friend's lover, we are two girls!!!I don't understand when I became my best friend's lover, we are two girls!!!I don't understand when I became my best friend's lover, we are two girls!!!