Calvin This is the perfect end to a long, hot day. Sky and Tyler play in the pool when I arrive home. As they already ate, I scarf down the leftovers while watching Tyler demonstrate the skills he's acquired in his swimming lessons. “You're like a little fish," I compliment. He proudly smiles, hanging on to the edge of the pool in front of me. “Sky, show Dad what you've learned in lessons," Tyler prompts with one hand still on the edge, the other motioning to her. “Maybe later," Sky hedges. She's shared with me she finds it difficult to learn to swim. She's never been comfortable in the water and finds it hard to trust she'll float. I'm glad she agreed to take lessons with Tyler. If nothing else, she'll feel more comfortable with him in the water. I rise from my patio chair, my empt

