Say it too early and people freak out. Wait too long and people wonder why you’re hiding information. There’s a sweet spot, after you’ve made a connection, laughed over a shared experience, and that’s when you want to say it. The conversation doesn’t arrive there naturally, so you have to steer it there: Oh, I’m in GS. You don’t consciously analyze these decisions; rather, as an adult, a sensitivity to the comfort level of others has become second nature. Run water over stone long enough and it softens in recognition of the current....