The gum began to burn my throat after two weeks, so I had to give that up pretty quick. Now its just sugar-free gum a few times a day.
David, you mean the SERE Course, when you are behind enemy lines and on the run? You can't smoke or chew anyhting out there, the dogs will pick up your trail too easy. SURVIVE-EVADE-RESIST-ESCAPE.
'68 428 HO M3 Monster, 4-on-the-floor! Need I say more?