I would actually be incredibly wary of giving advice this way, other than the obvious things such as general reassurance or motivating the person to seek their own help. It's the same reason why I'm loath to give relationship or family advice to people I know in real life, I'd hate for something to go wrong for that person as a result of their taking my advice.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'
