Image courtesy of Flickr   The summer of 2010 was a busy summer for my youngest son Hayden. It was a summer filled with many firsts. He learned how to ride his two-wheel bike—without the training wheels. He learned how to swim in the deep end—without a life jacket. He learned how to blow a bubble (bubble gum). He learned how to whistle. He lost his first, and second, baby teeth. Considering how animated and energized Hayden was—and still is—most of the time, he is also a very relaxed, go-with-the-flow kind of child. That summer, while we were visiting with friends in Montreal, the kids were eating corn on…