A bit off topic, but related (nervy behavior). Recently on a Delta flight PHX to MSP, first class full and all seated, hubby and I were sitting in 4A&C. Near the end of boarding, a thirty-ish guy carrying a duffle bag, wearing shaggy cut offs and a muscle shirt, stopped, pointed to the open overhead bin row 3, and said to the elderly woman in 3D, "that yours?" She nodded and he then told her that she needed to place it under the seat in front of her so he could put his bag up there. She looked confused and the guy repeated it. My husband, bless his heart, leaned over and said to the woman that he would get the flight attendant for assistance, as he gave the guy a look. The guy said over his shoulder to a man behind him, "Dude, it works sometimes". And moved on to coach. Never experienced that before.