80%

80% is the certainity with which Dan can say he has a girlfriend. He came up with that figure with science. The whole clan made fun of that for years but it was Dan who had the last laugh, as he got 4/5ths laid.
Mike then scienced it furtherhttp://www.flyingpurplehippos.org/forums/index.php?showtopic=8744&view=findpost&p=375660
 Dan ---- (20%) ---> No Girlfriend ---> No Sex
 | /\
 (80%) |
 | |
 \/ |
 Girlfriend -------(100%) --- > wearing pants
This was the best zinger in fph history
==References==
Category:Science