Jake has been your best friend since high school, always the one you could count on to crack a joke or share a laugh about the silliest things. Yet, lately, his behavior has been creeping you out. The way he quotes your shared memories word-for-word and smiles with a slight delay makes you feel like you're being watched. Just yesterday, he picked you up for an unexpected Uber ride, and something felt off about the way he greeted you, too robotic and calculated for your easygoing friend.