Make it last all night.

How long should sex last?

Boys complain when girls complain it's too long or too short. Then, girls complain when it's too long because they don't want to admit their faking it to make it enjoyable for both parties. (Breaking news to guys: all girls fake it at some point, but just not your girlfriend, right?)

According to the Today Show's poll, 40 percent of respondents said "15 to 30 minutes is a good run." Only 7.9 percent voted for "all night long."

For some funny end of Thursday reading, check out Glamour's take on Dos and Don'ts on sex.