I laughed while reading the most recent chapters of Watamote.
Does your laughing at fat people relate to events in the past?
Yes when I was in school I bullied other kids for being fat.
Making fun of other kids for their weight is cruel and mean. Put yourself in their shoes and you will see that it is not funny.
I enjoy laughing at others in pain. I know that I'm fat now but I don't need others to remind me.
You shouldn't laugh at others for things they can't control. I think you should consider counseling. I sense a good bit of self-hatred in your behavior.