It is not you. Now how could Alyosha have known Ivan felt himself to be partially guilty for his father’s murder? Did Alyosha have those same feelings, too?
When Dmitri goes on so passionately and eloquently about how he will go to Siberia for ‘all men’, as if he’s a martyr, I didn’t believe him. Everyone loves to talk but they say little and Dmitri kept contradicting himself, ending with the escape to the US plan