Ben Affleck and Jennifer Garner's son, Samuel, is only 5 year's old, but he is wise beyond his years. He left this sweet note inside a library book at his school to let someone know they were loved!
The full story is here: http://www.eonline.com/news/906448/ben-affleck-and-jennifer-garner-s-5-year-old-son-leaves-sweet-love-note-for-stranger