I was the youngest at 15....everyone else was 20's, 30's, 40's, 50's, etc.
He was proving a point that there is never a reason to be a wuss when training....not when there are much worse fates, like having your whole squad killed around you in a lonely Viet Nam forest, and being the only survivor after taking a bayoinette to the thigh and pretending you are dead when you are not.
If you are joking, cool.
If not, try having some honor.