The long days and nights of pandemic social isolation are tough on military veterans with symptoms of traumatic brain injury, especially those living alone—and particularly those who shrugged off seemingly minor head injuries and haven’t connected their symptoms to concussion. The structure of daily life has been disrupted; the radio and television get a harder workout, resulting in headaches from glare and blare. It’s easier to drift off into a nap, with disastrous results for an already disrupted sleep routine. Friends and colleagues are less available to provide company and help negotiate the new rules that can be confusing for those with memory problems and brain fog. People around them seem to be walking on eggshells, but sufferers shrug that off, too: of course, they’re more ir...