The Ultimate Shart Survival Guide

There are many embarrassing social faux pas that you can commit on a daily basis, like tripping over nothing, waving at someone who wasn't waving at you, mistaking a handshake for a hug, congratulating someone on being pregnant when they aren't, or walking into the wrong bathroom.

There is one that stands out above all the rest, with the soul-crushing humiliation that is second to none. It is so gut-wrenching that it will produce nightmares for years to come, tr...