What happens next in this paragraph?

How to deal with someone who is always mean to you
When someone is mean to you, think of the rule, " treat others how you want to be treated ".
You need to know everyone is different. So just be nice to them, even if they get on your nerves.
If it doesn't work, then just practice a small lecture, and then when you're ready, tell them. And keep a serious, but sweet face.