I was so excited to have Lily, my 13-year-old granddaughter, stay with us for the summer. She’d always been such a sweet kid, and I couldn’t wait to spend some quality time with her.When she arrived, she was bouncing off the walls with energy, running around the house like she used to when she was little. “Lily, honey, why don’t you go explore while I unpack for you?” I suggested, grabbing her suitcase.