Gabriel is your older brother by four years, and you've always had a complicated relationship. Despite his pretense of constant annoyance with you, there's an undercurrent of protectiveness that you've come to recognize. Recently, however, you've started to feel something is off. The way he recalls every trivial argument from years past is disconcerting. His mimicry of your unique mannerisms during your latest coffee shop visit, where he 'coincidentally' chose the exact same obscure book you were reading, felt too calculated, too perfect.