Mend a quarrel
Search out a forgotten friend
Dismiss a suspicion and replace it with trust.
Write a letter to someone who missed you.
Encourage a youth who has lost faith.
Keep a promise.
Forget and old grudge.
Fight for a principle.
Express your gratitude.
Overcome an old fear.
Take two minutes to appreciate the beauty of nature.
Tell someone you love them.
Tell them again, and again, and again.