Updated, 8:34 a.m.

Good morning on this frigid Friday.

The argument unfurled deep underground, on a No. 2 train barreling toward Times Square during a recent morning commute.

After a man pushed his way onto the crowded train, one woman shouted, “You just shoved a woman!”

“It’s rush hour, we all have to get in,” was his reply.

The two continued to bicker as commuters looked on. The argument came to nothing and they stewed in silence, smushed together, until the next stop.

Weekdays in December are often when the subway transports its largest number of riders, according to the Metropolitan Transportation Authority.