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kane · 12-27-2009, 04:23 AM

My high school physics class taught me that Work is W= F X D or Work = force X distance.

So if you forced your hand up and down 5 inches of your cock 30 times you have done roughly 150 units of work for that day. Want to work harder, stroke harder.

12-27-2009, 04:23 AM
kane Too lazy to set a custom title Join Date: Aug 2001 Location: portland, OR Posts: 20,684	My high school physics class taught me that Work is W= F X D or Work = force X distance. So if you forced your hand up and down 5 inches of your cock 30 times you have done roughly 150 units of work for that day. Want to work harder, stroke harder.