The wife could have just been the more engaging person at the table. You see it a lot, 1 person will do little to no talking and the other will do most of the ordering, asking for extra things, making general conversation with the server. Of course they are gonna start looking more at that person.
Or considering the snarky comment on the receipt the guy was probably sending out a "im a dick" vibe and the server decided he was gonna ignore it and focus on the nice person
Or considering the snarky comment on the receipt the guy was probably sending out a "im a dick" vibe and the server decided he was gonna ignore it and focus on the nice person