Revealing mistake: The lights around the stage reflect in Jim Walsh's sunglasses a few times.
Plot hole: How could a blind man (Jim Walsh) just find Jack's apartment like that? Phoning from the Reagle Beagle, Chrissy simply states "you're nearby to us" and then hangs up the phone (without giving the address). Even if he was given the address, being blind he would not be able to find the building, let alone the right unit that quickly, but he knocks on the door within 5 min of the call.
Answer: Mr. Roper was basically comparing Mrs. Roper to a cow, which is a sacred and highly revered animal among Hindus; Mrs. Roper's retort meant that she wasn't happy with her marriage or current station in life, so she'd be happier as a cow in India.
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