I don't want to upset you, but

I don't want to upset you, but

A phrase used before sharing bad news (which is stated after "but"). I don't want to upset you, but the printer called about a few problems with our latest issue. I don't want to upset you, but the dog has been limping around all day—I think we need to take him to the vet tonight.
See also: but, upset, want
Farlex Dictionary of Idioms.
See also:
  • don't cry before you are hurt
  • don't go there
  • Don’t have a cow!
  • don't give up the ship
  • Don’t get your bowels in an uproar!
  • don't get your bowels in an uproar
  • Don't get your bowels in an uproar!
  • don't beat a dead horse
  • bowel
  • don't get me wrong