mysharona1987:

Obviously, he was lonely and depressed, but really, if the “final problem” is staying alive isn’t shooting himself kind of an admission that he has, you know, lost? Against life,or whatever? Isn’t that a blow to his win-at-all-costs ego?

Not to mention that idea that a guy who has been…

or…maybe sherlock made him believe that he was the imaginary oponent “I am you” thus “you’re never going to beat me cuz I’m on your head” and the bang! game over