6. If a friend has verbally communicated that she is into a guy, thou shall respect the fact that he’s off limits
The question is usually not who spotted him first, but who staked their claim. If your friend has revealed that she’s interested in the tall stack of Hot across the room, don’t pull a Christopher Columbus on a quest to discover uncharted territory. In fact, it’s defined in your friend duties, that you must sell the prospective partner on why your pal is pretty damn fantastic.