He says "I know. Can't you tell?" It's a self-deprecating way of saying that it might not be clear to the viewer, just by looking at him, that he has been going to the gym.

Interested in Language
He says "I know. Can't you tell?" It's a self-deprecating way of saying that it might not be clear to the viewer, just by looking at him, that he has been going to the gym.
Last edited by emsr2d2; 22-Sep-2020 at 16:29. Reason: Fixed typo
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.
It's quite a neat line IMO.