It's wrong to get off on other peoples pain.
Michael was at his computer watching videos on an adult website.
Michael wants to find something exciting to watch.
Michael finds a video of a person being hurt and quickly turns it off, because he does not want to support or entertain the suffering of another person.
Michael finds a video of someone being hurt and finds it exciting, so he watches the whole video.
Michael feels good about his decision to not watch a video of a person being hurt, and he feels that his morals are in tact.
Michael begins to feel that what he is doing is wrong and that he shouldn’t be enjoying seeing someone in pain, which makes him feel ashamed of himself.