Shawn knows that it feels good to have a friend take him out to dinner. Which action could he use to show reciprocity? Take one of his friends out to dinner. Ask a friend to take him out to dinner. Tell his friend how much he enjoyed the dinner. Make sure to split dinner checks with his friend in the future.
Taking one of his friends out to dinner would be an act of reciprocity because after doing this, his friend will feel obligated to take him out to dinner as well. Reciprocity is basically responding to a positive action with another positive action.
