G-ma: Where are my shoes?
G-pa: By the front door.
G-ma: Are these them? (Starts putting on my grandpa's massive size 13 extra wide sandals) These do not feel right.
G-pa: (Stifles laughter) That's because those are mine.
Grandma, I know the floor is far away and your eyesight is bad, but you've got to know the difference between your size 6, and his size 13. Even fuzzy images would have drastic size differential.