Note: this post and the article it links to are accompanied by a Trigger Warning for use of specific weight-related numbers. Sometimes, someone writes something that so perfectly explains a concept that there really isn’t anything to add. It just needs to be shared. That’s why, when I shared my friend Meghan’s blog post “Fat: it’s on my mind” on Facebook this week, I didn’t add commentary. I just said, “Very insightful” and hoped that everyone I know would read it. Meghan does an amazing job in her short essay at pointing out the fact that the things we say and share on Facebook and other social networking sites can have a major effect on the people around us, as well as ourselves. One…