http://www.choosemyplate.gov/MyPlate is a really good website to find tips on how to manage your weight and how to tweak your eating habits.Write out a 3 day food journal and see what you need to change.
By the way, this blog is not intended to make anyone insecure or to say that you need to live a certain lifestyle. If your thankful about life you need to make sure you take care of it by maintaining your health.