Listen: I’m no doctor or rocket scientist, but even I have enough common sense to know that if you’re feeling under the weather, you shouldn’t be lifting. You should be resting at home. Yeah, you heard me: Go home and stay home. And stay out of your fancy little garage gym, too!

Not sure if you’re too sick to train? Use the red light | green light system to determine whether you should spend your afternoon on the couch or the bench.