don't stay up all night when you have to be at classes and play rehearsal and essays due just cause you "didn't feel tired"....
If you have to do something right behind a closed door in a high traffic area place your foot in front of it and put all body parts (face, shoulders, ect.)behind the farthest swing radius. Just in case.
Don't buy an expensive HDMI cable, buy a cheaper version...it will work just fine. Yeah, gold plated looks nice, but seriously...go for the cheaper option.
when taking a piss behind a truck door on the side of the highway...pay attention to how high the door is
dont pick fights with old people...some of them are too old to fight and its easier for them to just shoot you
when cutting lumber to length its better to measure each piece separately the damn lumber mills arent very accurate so if think all of the 12 footers are 12" and one half inch long youre wrong..some are 12 and 1/4 inch so if you were just measuring the 3.5" you needed to cut you'd be screwed