My dealer sells some good weed so I'm going to tell my sister that she can start selling it, and then when I realize how much she's making I will sell weed too and steal her business.
Why do you want to double cross your sister?
Well, I'm a dominant person and if I want something I'm going to take it from others.
Well, first and foremost, I think it is very wrong and illegal to sell drugs, so you should stop that immediately. Otherwise the police with catch you eventually and you will go to prison, or your sister will.
Fuck I hate police. I'll just make sure I never get caught.
What happens if you do get caught, though? You may even lose your respect and friendship with your sister. Does going to jail seem worth all of this to sell some drugs?