It's ZapFic50Monday! Write me a story in precisely 50 words: Prompt "Invisible"!

Hi! Everyone it's #ZapFic50Monday this monday prompt from the @zapfic.club
My entry about MondayPrompt
This story about John and Maria, they reading together since childhood. At here they began friendship but they realize they do love with each other but their love was invisible for both. When, John purpose to Maria for marriage she happy and accept his purpose and they started new life.