One of the greatest sounds in the world is the laughter of my children – together. Last night I was upstairs working, Eric was playing his computer game and our two children were downstairs watching a movie and laughing hysterically. I felt the warm glow that mothers feel when their children are bonding and kind to one another. I finished writing and went down to join them. Arielle was lounging on a chair and Kai was across from her on the couch. A small table sat in between. I plopped down next to Kai and we all watched, Waterboy. A commercial came on and Kai muted the TV. Arielle began telling…