According to a recent study out of the U.K., one in 10 Britons would cheat on their partners if they thought they could get away with it, causing researchers to determine that British marriages are unstable, and causing us to conclude that the British are a bunch of pansies.

Call us soulless, but if they knew they wouldn't screw up their current relationships by getting caught (and wouldn't get an STD), wouldn't everyone be stepping out on their significant others?

What's your motivation for monogamy (if indeed you practice it)?