What I think about when I think about Act 3

I think about Hamlet's plan to get his Uncle to show signs of guilt. I also feel like maybe he is taking things too far when he plots to kill his Uncle. I mean, yes, he murdered your father, but is it really worth it to kill another person? I dont know, but thats my feeling...anyways i also think about how short tempered he was when he stabbed the curtain thinking that it was his Uncle, but then he killed an innocent man, Polonius, well maybe sort of innocent. *But, my thinking might be off so bear with me.