One-upmanship

Husband and wife look at the information for a previous acquaintance who is still at college.

"Ah. I see he lives off-campus."
"What? Rhode Island? That's his home address."
"No, he lives in [the dorm which is 15 minutes from the rest of campus]."
"Oh. [pause] But, dear, you forget: he's an engineer. He doesn't live off-campus. He lives in [the computer lab]."

Now back to your regularly scheduled graham crackers.