Originally Posted by
FlyingRabbit
On top of everything that has already been said here about the advantages of sitting together, I'll add this one: my wife is a really nervous flyer, and I much rather have her near me where I can keep her calm.
Does this make you her emotional support animal?

Then you can lay at her feet during the flight and not pay for a ticket.

OTOH, the airline won't supply F&B, except maybe water if you behave well.