"Oh, I know, but he liked you first, and I bet you like him even if you haven't decided to act on it so far, and while obviously we can do nonexclusivity just fine if we want to it doesn't come standard with being a Bell. So I wanted to make sure you had a minute to process first. Whistles don't come in monogamous; I don't know if Sherlocks do, but it's not default, at least."