Many of us are accustomed to fuel ourselves with external gratitude. I did someone a good and useful thing-I received thanks in response. In the field of NPOs, it is better not to count on this, especially if you provide not targeted assistance, but do something in common. For example, he developed a course, cleaned the coast of a reservoir, created a video. You can, of course, wait for positive reviews, but we often write negativity when we are unhappy with something.