With the increasing programmability of network adapters, selfish nodes can cheat for more bandwidth by controlling the contention window size in CSMA/CA networks, which will not only lead to the degradation of the network fairness, but also decrease the utilization ratio of the channel.

Through the repeated games process among the node and neighbor node,the rational nodes will take the cooperation strategy to ensure the devistion selfish nodes join in the cooperation,and show that this infinitely repeated game model achieves the Nash equilibrium,and enables the nodes to adopt the spontaneous cooperation strategy.

In mobile ad hoc networks,how to stimulate selfish nodes to participate in the network cooperation is currently a hot research field.

Because of the existence of selfish nodes,relaying nodes may refuse to forward the packets that have nothing to do with their own in the process of packets forwarding.

Roger Chillingworth s and Arthur Dimmesdale s egomania is the source of their wrong deeds, and they reaped what they had sown, moreover, the men characters egomania also results in Hester s and Pearl s misery.

In The Scarlet Letter, Nathaniel Hawthorne reveals the men′s extreme egomania in the Puritan society dominated by the authorities of husband and religion, and a series of plots are formed on this basis, which is used as a recessive frame of the whole book.

To design robust and trustworthy ALM protocols, it is necessary to study the selfishness in ALM.

This paper analyzed Heathcliff and Catherine s selfishness and then put forward a different viewpoint on the theme.

In accordance with Freud Psychoanalysis Theory this essay is to analyze the hero-Heathcliff s and the heroine-Catherine s selfish nature from the angle of one aspect of human nature-selfishness.