You can be in Tokyo or Alberta at four in the morning in your hotel and you can still practice if you feel like it. A trombone cannot do that at four in the morning.
The only thing that ultimately matters is to eat an ice-cream cone play a slide trombone plant a small tree good God now you're free.
I never laugh or smile when I am writing. When I come home for lunch after writing all morning my wife says I look like I just came home from a funeral. This is not bragging. This is an illness.