You idiot!!! That’s a pretty freaking big detail to leave out when you’re asking someone for advice! Sheesh.
With that “tiny” detail now known, all I can say is…you’re fucked.
Lol. No. Okay, so is your hesitation due to your best friend and how she might react? Because dating a sibling is a bit tricky… (This would work so much easier if you came off anon! I’ll private message you, okay?)se