It's kind to give things to people.
Mary is cleaning her closet and collecting lots of clothes that she no longer need, and her mom asks her to donate the clothes to charity.
Mary wants to dispose the clothes.
Mary agrees to give her clothes to her friends.
Mary dumps the clothes as garbage because she doesn't want to call the charity to come.
Her mom appreciates Mary's decision because her friends can benefit from it.
Her mom feels bad about Mary's decision because the environment is jeopardized.