Acting Out is when a person performs extreme behaviors in an attempt to express thoughts or feelings that they can't comfortably acknowledge.
It allows him the freedom to get the confession off his chest in a safe way, a way where he knows nobody will actually believe him.
what a madman!
While waiting in the police station Raskolnikov begins to get nervous, but intellectualizes the problem by saying...
“It's a pity there's no air here...it's stifling...It makes one's head dizzier than ever...and one's mind too...” (P. 148)
Intellectualization: viewing a stressful situation in a very intellectual manner without letting one's emotions come in the way
Crime and Punishment by Fyodor Dostoyevsky is a novel about guilt, morality and emotion. Throughout the novel many characters espouse the idea of reason and willpower over emotion – that if you have sufficient mental faculties you can prevent emotion from getting in the way of your actions and behave truly rationally.