Hamlet 's indecision and continuous delay of Claudius 's murder until the end is explained through several concepts of psychology, delving into his innermost thoughts which act as the driving forces behind his behavior, actions, and attitude towards other characters.
From a psychological perspective, Hamlet’s lack of action towards his intended goal is not surprising, especially from a person who shows many symptoms of major depressive disorder including inactivity, thoughts of suicide, frequent or recurrent thoughts of death, agitation, anxiety, and hopelessness. Despite being dead set on getting revenge for his father after he met 'his ghost ' in act 1 scene 4, Hamlet soon began contemplating suicide in his ‘to be or not to be’ soliloquy…