Sheldon: Studies are shown that performing tasks such as eating, talking on a cell phone or drinking coffee while driving reduces ones reaction time by the same factors as ounce of alcohol.
Sheldon:I was otherwise engaged.
Penny: Doing what?
Sheldon: I was examining perturbutive amplitudes in N=4 supersymeteric theories leading to a re-examination of the ultraviolet properties of multiloop N=8 supergravity using modern twistor theory.