How do authors parent and write at the same time?

“Enough!” I snapped and closed the lid of my MacBook with an aggressive slam. My kids stood staring at me, unsure of themselves or life or the universe at that moment.

They had been monkeying around me, climbing on me and fighting with each other for the past twenty minutes. Usually this would be fine, but I was trying (and failing) to write a chapter of my current…