What if I want to laugh?
What do you want to laugh about?
I just want to laugh at someone, I don't care who it is.
It's hurtful to laugh at other's that are having a hardtime. You should consider how you would feel if someone laughed at you or someone your love during a difficult time.
I'm not like that, I'm always laughing with people.
While it's okay to share a joke with others. It's important to consider the difference between laughing with others and laughing at others. The latter will cause you to seem inconsiderate and rude.