I heard this one down at the gym yesterday. I put it here because I couldn't think where else to put it.
Q: How many body builders does it take to change a light bulb?
A: Three - one to screw it in and two to stand around chanting, "You're lookin' huge, man. You're lookin' huge".
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I am highly in tune with my perceptions. It's reality that I haven't got a clue about.