When you wrote "By the end of the play, Garcin is faced with the choice of going out of the door of this hell of dependence on the two women or staying with them. " it really is a sort of definition of the human condition. How man is the maker of his world and his own hell by the reaction and interaction with the others that populate his sphere of life. If such a sphere, through these interactions, create a hell, that person has the 'freedom' to leave that hell, but another new sort of might possibly be beyond. Therefore, if you are the maker of hell you may very well carry it with you.

In some ways, though it might seem trite, it makes me think of the the old adage, "You are better off with the Devil you know then the one you don't"

Lovely well written piece, really enjoyed it.