short essay brainstorm

I plan to write my essay on how when Hamlet is alone, he makes decisions that are irrational and that he may not make when he is with others. Furthermore, his thoughts are even more irrational, and drive him crazy. When he is with others, Hamlet acts crazy, as he admits early on (page 67ish). On 127-8, Hamlet contemplates suicide, alone. Also, although he is angry, does Hamlet have the right to kill Claudius? Maybe it is one of his irrational decisions. Apart from his thoughts, both socially and alone, he asks many questions; however, when alone, he is much more depressed and down on himself.