The kindness of strangers: On a busy motorway, my child vomited in the car. I was overwhelmed
My son was inconsolable and the back seat was an absolute mess. After a few minutes of trying to clean up, a stranger emerged from a nearby house

TL;DR
- A parent experienced a difficult situation when her child vomited in the car on a busy motorway.
- Feeling overwhelmed, a couple from a nearby house offered assistance, helping to clean the car and comfort the family.
- This act of kindness left a lasting impression, remembered as the kindest thing anyone has ever done for the author.
- The Guardian is soliciting stories from readers about the nicest thing a stranger has ever done for them.