I think I know where most people go wrong.
I according to www.penishealth.com, you should not have sex or masturbate 2 hours before and after routines. The only questions I have are 1. Is this true and 2. How much of a difference will it make?
Starting 01/05/2009: BPEL: 15.5 cm (6.1 inches) MSEG: 12.5 cm (4.9 inches)
back then: BPEL: 17.5 cm (6.9 inches) MSEG: 13 cm (5.1 inches)
Now: BPEL: 16.5 cm (6.5 inches) MSEG: 12.7 cm (5.0 inches)