Three things

Here are 3

Pick one. Each takes about as long as it says.

• Wait for someone who stammers

  Finishing the sentence of someone who stammers is meant to help and does the opposite every time.

  5 minutesFreeA stranger

• Buy from the list rather than guessing

  Food banks and shelters publish exactly what they are short of. Donations that ignore it create sorting work.

  Half an hourUnder $10A stranger

• Give the good version away, not the worn-out one

  Charity shops and refuges throw away an enormous amount of what is donated because it was not really a gift.

  Half an hourFreeA stranger