The context of the following conversation is Quinn maintained Riley's balance during his diet because she wanted to keep track of his food.:
Riley says I am so glad Quinn is helping me out..
The friend responds How is the diet going?.
Riley responds It's good, Quinn is keeping track of my food intake..
The friend responds Why can't you do it?.
Riley responds I would probably cheat, knowing me!.
The friend responds I guess it's best to get Quinn to do it!.