The context of the following conversation is Despite needing to cut back on her sugar, Taylor drank soda.:
Taylor says I know it's not good for me but I had a craving for soda..
The friend responds As long as you do it in moderation it's all right..
Taylor responds I can't go back to the way I was before because it's not good for my blood sugar..
The friend responds You need to be careful with that stuff as it can get out-of-control fast..
Taylor responds Trust me I have seen the horror stories..
The friend responds OK then, make sure you keep that in mind..