Throughout the past year, my husband, Peter, and I have been seeing no one except Peter’s sister, Lori, and her husband. Lori has stage 4 cancer and has had a tough fight. She’s been on oxygen all this time. The decision of how careful we needed to be was easy. If we were going to see Lori, we had to be extremely careful. And as a reward, once a week, we have heard Lori’s laught...