Hard Laugh

I’m on a flight to Boston. Last minute sort of thing. Not exactly an emergency but a thing I had to do. And I’m sitting next to a couple I already hated when I boarded. Because I booked a 7:05pm flight at 5:03pm, I didn’t get to choose a seat. But the guy at the gate asked if I was willing to sit in an exit row. Would I be able to assist in case of an e…