Your questions were in fact answered. You just didn't like the answers. Back up 15 pounds on all the lifts, eat like you mean it, and run the NLP as...
It's possible to tear a few fibers without any blood getting to the skin as a visible bruise. Were it me, I wouldn't have done the full 2 week rehab....
He doesn't need to "vet" a welder, because a guy with a welding truck who cuts and welds all day for a living is capable of any simple job, like this...