Because one nun follows the other nun to make sure that nun doesn't get none.
It was a bad habit.
Shut up
When I dump a load into the washing machine it doesn't follow me around
Do they follow territorial boundaries? If the Kaos Kommandos start a brawl in El Paso and it rolls over into Juarez, do they say "screw it, let Justice League of Mexico handle it"? (Sorry if this isn't technically a joke; it was my shower thought this morning and I thought it was funny.)
A stamp.
because Happy Hour ended.
Because they don't swim in pairs. Are there two of those fish? Nahhh.
So they can bring two canopies.