The context of the following conversation is After a long day at work, Casey finally  bought food in the store. She has been procrastinating it since last week.:
Casey says I've been so busy at work.  I am completely out of food.  I can't procrastinate anymore so I finally bought some food..
The friend responds What did you buy?.
Casey responds I bought all of my favourites, like yogurt and chicken and pasta..
The friend responds You always eat so healthy..
Casey responds I want to stay fit and healthy so I try to watch the food I eat..
The friend responds I wish I can be like you..