As a child, I vividly remember noticing a peculiar scar on my mother’s upper arm, near her shoulder. It was a ring of small indentations surrounding a larger mark. For some reason, it fascinated me—but like many childhood curiosities, I eventually forgot about it.
Years later, while helping an elderly woman off a train, I noticed the exact same scar in the same spot on her arm. My curiosity immediately resurfaced, but there was no time to ask her about it. Instead, I called my mother.....