I’m a boomer afraid of the coronavirus. My millennial roommate thinks it’s a joke

I don’t believe this pleasant, creative, computer-gaming UC Irvine student, who has been renting a room from me since the fall, would intentionally hurt someone. But when I heard that giggle, my paranoid brain transformed him from a friendly, spirited conversationalist into something else: a potentially deadly enemy. Did I say paranoid? Definitely.