Aw gee Mimi, be careful in that absolutely raging crowd out there. I don't know how you'd ever find Roy if the pair of you weren't tethered or something.
Good strat, mimi. Can never be too safe. The chances of getting lost in a crowd may decrease proportionally with the crowd density, but it never reaches zero!
You all laugh, but a stray balloon will pan across them, and one of them will be gone afterwards. The balloon will rise away and disappear as a representation of the situation.