Also, you might have to keep some of your funds in reserve.
Values underlie everything we are and do.
Your priority should be to conclude as many wars as you can in the shortest time possible.
Happiness comes from problems you enjoy having and solving.
And in the short amount of time between here and there, you have a limited amount of fucks to give.
It will provide a safe and quick escape route should an overwhelming enemy army appear to squash your forces, like it often happens in Crusades.