Two sharks swim next to each other amongst a bunch of other fish. One of them has various rubbish on its face.
Shark 1: If you had food on your face would you prefer if I said something or not?
Actually it’s leftovers, I’m keeping them for later.
Spinach in teeth. Tell them about it. The person can do something about it.
Ketchup stain on clothing. Ignore it. Most likely won’t be able to fix it until they get home.