Apropos of nothing, how to wash greens before eating:

Wash your hands for at least 20 seconds with soap and water before and after preparing leafy greens.
Get rid of any torn or bruised leaves. Also, get rid of the outer leaves of cabbages and lettuce heads.
Rinse the remaining leaves under running water. Use your hands to gently rub them to help get rid of germs and dirt.
Dry leafy greens with a clean cloth or paper towel.

More:
https://www.cdc.gov/foodsafety/communication/leafy-greens.html