two equals one pair

Ash was going to an all-girls birthday party, so as an equitable parent who does not want to hear three-hours of “Why can’t I go?” I decided to take the boy someplace, special, too. I told him to grab a pair of socks from his top drawer. He ran upstairs and quickly returned with one sock. I sent him back upstairs for the other sock, and this is what he came back with. B said, “He did grab two, and that makes a pair.”’