I worked it out.

[ The shoulder grabbing, the reference to an "old scar" and "missing body parts." It wasn't too difficult. ]

That's why I made you come along, actually. I would have assumed an angel to be immortal...

[ Five minutes are probably coming to an end soon, so he pushes himself off the ceiling and twists back down into his seat. He reaches for the seat belt, to strap himself in, once more. ]

...but if you can lose a wing, you can lose your life.