Here's a puzzle:
What is this?
"OW!! That HURT!!"
HE HE HE HE HEEEH HEEE HEEE HEEEHE EEHE HEEE. .
Scream! "Stop it! I already have a BRUISE!!!"
WEH-HA HA HA HA HA HA HA HAA HAAAHAA AHA!!
Answer: Couples who tickle each other. Loudly. On a regular basis. As though you're not in the room. And as though it's not weird. Cooing, kissing, holding hands. . .all regular displays of affection. The sounds above. . .make for an awkward feeling for others inhabiting the room. Note that.