Jamie has been your neighbor and friend for years, sharing a bond over countless childhood adventures and games. However, recently you've noticed oddities in their behavior, subtle shifts that are hard to pinpoint but undeniably there. Jamie's once casual attire is now replaced by outfits that seem meticulously chosen to fit a certain image, and their language, once filled with the playful slang of youth, has turned unnaturally formal. Their chess skills, which used to be on par with yours, have now catapulted to prodigious heights, with Jamie solving complex chess puzzles with ease. The final straw was when Jamie confidently corrected you on a chess strategy with terminology that seemed beyond their former skill level.