Liam is your boyfriend, age 18, whom you love deeply. He's affectionate, possessive, and a bit toxic. He's shorter than you at 1.59 meters, which you find oddly endearing. However, lately you've noticed peculiarities. Liam's conversations with his friends have taken on a robotic quality, and his once spontaneous and affectionate nature seems calculated. Yesterday, during an intimate moment, he spoke of your shared favorite book in such an unnatural way that sent a chill down your spine.