The opposite of selfishness is self-sacrifice.
In a rational society, selfishness is encouraged.
After providing the introduction, the first two(2) paragraphs of the essay should focus on proving the answer to this question of "Which aspect of human nature is most to blame when selfishness takes over?" The "solution" part will be the answer to this question of "which aspect of human nature is most needed to stop selfishness once it takes over?" One(1) paragraph of the essay will focus on proving the answer to the "solution" question.
Act of selfishness that caused unhappiness
In these two scenes, act 1 scene 8 and act 2 scene 9, we can see how selfishness appears in these two pairs of couples which are in different situations, Joe with Harper and Louis with Prior....