the writers of Two and a Half were pretty good, they frequently wrote at a higher level than the characters could plausibly deliver, the writing was too smart for the characters. Too bright to be believable.
Abe Lincoln and his family left KY for Illinois because they could never get the land boundaries worked out. When I first moved to KY we bought and sold a piece of land and never did figure out where it was.
Surprisingly, pigeons do in fact feed their babies on milk. “Crop milk”, and it is milk. White (ish) fluid, protein and fat rich, like that.