Your child has just left for their other parent's house: what's the first thing you do now that you're alone?

The strangness of this particular transition from mother to free woman

My twelve year old child had just left with their father, I was done with my four intense days of parenting (so intense when you're parenting alone! I prefer it, more intimate, but we go so hard, the two of us. Falling down rabbit holes, climbing out, high highs, low lows. It's all very feminine.)