How does Shakespeare mainly show that Hamlet has been affected after speaking to his father’s ghost?

Hamlet is transfixed by the Ghost. The supernatural afterlife is right up Hamlet's alley. Hamlet follows the ghost despite the inherent danger of being alone with a spirit. Hamlet even threatens his friends when they attempt to stop him, "By heaven, I'll make a ghost of him that lets me." After the ghost's visit, Hamlet vows to carry the ghost's request out at any price.