Miraculous Soulmates

When you get a small injury, your soulmate gets the exact same injury, mostly unexplained. But one pair of soulmates every few years feels every injury, not just scratches.

Marinette was walking down the street when she suddenly felt a sharp pain in her leg. Collapsing, she finds out that her leg is completely broken. Where did this come from?

(Story told in first person. Superpowers involved. Idea gotten from a Pinterest writing prompt. Slow and unpredictable updates. Bad grammar and spelling. Constructive criticism appreciated.)