Eat healthy and correct portion sizes
https://nutritiouslife.com/live-consciously/healthy-portion-sizes/
https://healthyforgood.heart.org/eat-smart/articles/suggested-servings-from-each-food-group
http://www.health.com/health/gallery/0,,20405321,00.html#know-your-rules-of-thumb--0
https://www.healthyeating.org/Healthy-Eating/Healthy-Living/Weight-Management/Article-Viewer/Article/348/correct-portion-sizes-how-to-keep-portion-distortion-in-check
https://www.12wbt.com/nutrition/healthy-eating-habits/food-diary
http://www.heart.org/HEARTORG/HealthyLiving/WeightManagement/LosingWeight/Food-Diary---How-to-Keep-Track-of-What-You-Eat_UCM_320180_Article.jsp#.WoSbhPnwbcs
https://www.cardiosmart.org/~/media/Documents/Fact%20Sheets/en/abk6074.ashx
Treats can be healthy too!
https://www.buzzfeed.com/deenashanker/healthy-treats-to-satisfy-your-sweet-tooth?utm_term=.deLdzK9qW#.cmEEd5zq4
https://www.fitnessmagazine.com/recipes/snacks/healthy-sweet-snacks/
https://www.popsugar.com/fitness/Healthy-Snacks-Satisfy-Sweet-Tooth-8214597
https://lifehacker.com/what-it-means-to-eat-the-rainbow-1594799068
https://www.fruitsandveggiesmorematters.org/eat-a-colorful-variety-of-fruits-and-vegetables
http://www.todaysdietitian.com/newarchives/110308p34.shtml