Scar has had his own horrifying encounter with Gluttony, though nowhere near as traumatic, but he's not about to make a comparison, in that regard. Gluttony had been gone. He won't imply otherwise, even in jest.

The Torso Desolation, however,

"I see." Scar's eyebrows quirk ever so scantly up. He's still frowning, but the tone is clear. "Something we can relate to, then."

Dismembered and full of holes! Ask your mom! Or maybe don't!