I think the best choice would be to think about the good feelings he has. The more he think about being stressed and sad, the more those feelings would increase and take up his whole emotions. Thinking of good feelings would surely help him lighten up the load he is feeling.
These images are NOT realistic. Not all women are tall and lean. And not all men are muscular. They have a positive effect on some people, but others have a negative reaction. People who are thin are not always fit.