As a young college guy with a half bum knee and a half bum back, don't push yourself because you think you will be able to bounc back at a later date.
I was invovled in a negative helicopter-ground interaction as a result of enemy fire and missed up my lower back and subsquently did even worse damage by not waiting until I was 100% by going out and doing stupid things.
Patience is a virtue.
NRA Life Member
Me: "The .45 GAP was an answer to the question nobody asked."
Trooper pal: "Says the guy who thinks .38 Super and 10mm are viable pistol calibers and gets mad when Wal-Mart doesn't have them."