What would I tell my kids

Was just thinking about advice I could give my kids if I had had any. I don't but maybe someone can benefit from this.
There will be times in your life when you will have friends who want to do something that you don't, like smoking pot or drinking or smoking or whatever. You can just say no. I know becasue I did. Once in 5th grade I had a chance to join in with some friends to smoke a joint but I just said no. We can make choices and if friends do not respect it then quit hanging around them. They did agree that they would not do that stuff around me and they kept their word. I will admit it was tough becuase I wanted to be cool and be liked but my values came first.