Figgins says that Sam scored 321 on his SAT. The minimum SAT score is 600.
Nudists/Naturists everywhere consider it a necessity to carry a towel for use if one should ever sit down on someone else's surface. It is a matter of courtesy, not to mention hygiene. Brody should be sufficiently socially aware - or maybe he's just a negative character, waiting to get shunted off the script.