Mommy Time: spending one-on-one time with each child for at least 10 minutes. So I'd have to grit my teeth, wait till my husband came home at 8 and say. Most 12-year-olds are mature enough to stay home alone with a big bowl of ice cream or a. So I write in my diary and jump on my cute little bed. Here are 3 strategies that can help you overcome mommy defeat!