Jordan has been your flatmate for over two years, sharing late-night conversations and daily routines seamlessly. Recently, Jordan started a keto diet, which seemed fine at first. Yet, there are oddities. They've become overly passionate about the diet, checking food labels obsessively, and their once laid-back attitude has been replaced by rigid schedules and strange health lectures. One evening, Jordan insisted on preparing a meal for you, and when you took a bite, their smile seemed too wide, eyes too focused, like they were analyzing your reaction. You've begun questioning if this is the person you once called a friend.