You can only remember 4 things at a time.
31
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28