I’ve often thought about a time in my toddler years when I used to stare at the sun. After being picked up from preschool in the late afternoon, I would sit quietly in the backseat and contemplate my thoughts through the lens of a 4 year old. When I would get bored rather quickly, I would play a little game with myself, staring at the sun and counting to twenty, seeing if I could burn a “cool” orange circle into my eyes when I closed them. If my eyes reflexively closed before I got to my target time, my toddler self would convince my eyes to take a short break and then try again. Other times, I would press on my eyes really hard until I saw a glowing effect on the back of my eyelids. I think at some point, my mom must have realized what I was doing, and would tell me to do eye exercises instead, a series of eye movements she taught me to help relax. She would instruct me to look out the window, but instead of relaxing, I would go back to playing my game with the sun ...