Don't try this, just play with what ya got.

Man Embarassed by Penis Size Secretly Gets His Brother to Have Sex With Girlfriend: " Manfred Schuh was so embarrassed about his penis size he got his brother Walter to step in and have sex with his girlfriend. Manfred, 26, insisted on turning off the lights and going to the bathroom. Walter would then enter the room and have sex. The girlfriend found out after 2 months when she turned the light on. 'She apparently had no idea. Both men look similar as they are brothers, and the older brother made a point of not speaking when he was impersonating his younger sibling,' said police. Manfred, from Germany, is said to have feared losing the 24 year old girlfriend if he did not 'perform well.'"