I really wonder if those poor secret service guys (sworn to protect the Donald) would "Actually" take a bullet for him at all. I know I would not.
Well, this is getting on toward [Classified] but the "Take a bullet for the president" thing is largely exaggerated. Most of the modern detail, after Brady has been making sure nobody gets in a position to take the shot in the first place.
Historically, the only person to literally get shot (Multiple times) in a presidential assassination attempt (other than the Presidents, of course) was John Connally Jr.