I've killed this kid over a tantrum. So I certainly can identify with the anxiety they produce in an adult. T. Berry Brazelton (cont.) I was taught by the quintuplets how to handle a temper tantrum.

This as-told-to essay is based on a conversation with Kristin Gallant and Deena Margolin, founders of Big Little Feelings. It has been edited for length and clarity. Back in 2020, we were looking ...