Nagg and Nell try to kiss but are physically unable to. For instance, there are frequent references to the approaching death of the characters. For your services.
Another anxiety that the characters feel is the anxiety of uncertainty. Therefore, this remark encourages us to realize the possibility of our own inescapable isolation. The sense of despair is heightened by the fact that the characters are not waiting for anything other than death in the play.
Clov thinks that there is nothing waiting for him outside except for the same old extinguished universe without the Sun to provide an animated nature. HAMM: relieved Ah, you gave me a fright! Beckett suggests that human existence is characterized by constant suffering, decay, and isolation as we crawl towards death.
Hamm is obliged to Clov for his services; Clov is obliged to Hamm for food and shelter. In spite of their dismal situation, Clov and Hamm refrain from separation; otherwise, there will be no one to talk to, and accordingly nothing to prove their existence with.