The context of the following conversation is Jan refused to drink anything but soda and Jan Addison knew this was unhealthy, so she made Jan drink water.:
Jan says I'm going to have a soda with dinner.
The friend responds Hasn't Addison forbidden it?.
Jan responds I'd rather have soda though, she won't know this one time..
The friend responds So what's the deal with this anyway..
Jan responds Well, she said that I can only have water from now on because soda is too unhealthy for me..