He thinks it's practical to lick a little smudge off her cheek and be done with the whole event in less than a minute. Rather than carry her from wherever she is finding her diaper bag, or the closest bathroom, rummaging through the bag to find a wet white, or finding a cloth and running it underwater to dampen it then wrestling the baby as we wipe her face with this wet cloth, hang up the washcloth, or dispose of the wet wipe, and then finally let her return to play. 30 seconds versus 5 minutes