Because they sing hymns, not hers.
Because it's too cold out tide.
So they won't run into each other in the dark.
He was looking for a porpoise. (thought this one up but I doubt I was the first one that did.)
They both go PEW PEW PEW
You can't tuna fish.
The Brains of Castamere.
Because they sing hymns, not hers!*
Because of all the Hymns.
A: The same reason they sing Hymns instead of Hers!