One of the challenges in bringing a meal for someone else is choosing foods that they will like. Now, when you signup or edit your profile, you can tell everyone what you like (and don't):
How do you use this information? On a meal plan, everyone will be able to see the likes/dislikes of each receiver (if they updated their profile). This will make it easier to choose and prepare a meal everyone will enjoy.
Go ahead and update your profile today!