The more feedback you give to people, the better it is, as long as the feedback is objective and not critical.
Get the facts. Ask questions and listen intently to the answers before responding.
Your decision to be, have and do something out of ordinary entails facing difficulties that are out of the ordinary as well. Sometimes your greatest asset is simply your ability to stay with it longer than anyone else.
Leaders set high standards. Refuse to tolerate mediocrity or poor performance.
Whatever you dwell on in the conscious grows in your experience.
For every difficulty that supposedly stops a person from succeeding there are thousands who have had it a lot worse and have succeeded anyway. So can you.