10) Estragon has brought up hanging himself a couple of times in the play, each time more as a means of entertainment than a means of killing himself. This is significant because it shows the meaninglessness of his life in that he wants to kill himself (a serious thing) simply for a way to pass the time (a common thing). It is also important that he is unable to go through with the action, not because he doesn't want to kill himself but because he is waiting for Godot to tell him what to do.
Waiting for Godot by Samuel Beckett The story line revolves around two seemingly homeless men waiting for someone—or something—named Godot. Vladimir and Estragon wait near a tree on a barren stretch of road, inhabiting a drama spun from their own consciousness. The result is a comical wordplay of poetry, dreamscapes, and nonsense, which has been interpreted as a somber summation of mankind’s inexhaustible search for meaning. online free: www.samuel-beckett.net/Waiting_for_Godot_Part1.html
Between Vladimir and Estrago, they always repeat what they say. Especially waiting for Godot. "What do we do now?" "Waiting for Goddot" This means that they don't face the reality and it's their one of habits of waiting for Godot.