All tragic heroes suffer awful and sometimes extreme punishment or pain. This pain can be physical (getting punched in the gut) or emotional (a loved one dying). Most tragic heroes die as well.
Studies show being isolated from others in solitude not only leads to depression but many other health factors. Regardless to what the studies show, I prefer companionship because it brings a different perspective/outlook to your life. They see things you may not see. They for the most part enjoy your company and take you serious. You can't laugh by yourself. I mean you could..but it's not the same...you know?
You can finish this sentence by saying, "You're having a misunderstanding!"