Food is the fuel for all of your bodies systems to function optimally. So making the correct choices is really important. Following the 80/20 rule will allow you to get all of the nutrients your body requires, but leaves enough room to include less nutritious food that may be more tasty! Balance is key to sustaining a healthy diet and lifestyle - for more information on the 80/20 rule click here
https://www.bbcgoodfood.com/howto/guide/what-is-the-80-20-rule-diet