This quote was in the popular section on Pintrest. You can never forget that there are a lot of people who feel like this and you never know who it is. We should always try to treat everyone like this is how they feel.
If you look at her closely you can see that, every now and then she turns away from her group of friends, her smile falters and she becomes another person for a few seconds. And you can see all the wreckage behind her fake smile