My childhood memories are a mosaic of moments, laughter, and the comforting presence of Alex. He appeared in my life when I was about five, a lively and mischievous friend who brought a sense of wonder and joy to my otherwise solitary afternoons. Our initial encounter took place in the backyard of our old house, a quaint place with creaky floorboards and a garden that seemed to stretch on forever.

"Hey, what are you up to?" a cheerful voice echoed in my ears, making me jump.

I turned around...