Sophie, like many cats, has very expressive eyes. I can tell when she's feeling happy, sleepy, bored, or affectionate just by looking at her. I can also tell when she's disappointed.

Sophie, I'm sorry. I can't play now because I have to...(get dressed/go to work/paint my toenails).

She gives me those Puss in Boots eyes, and I feel terrible (but continue to get dressed/go to work/paint my toenails anyway). When I let her down, Sophie turns to a more reliable companion, one who always drops everything just to play with her: