Introduction

"My eyes are empty, Harry," Louis whispers, looking down at his feet.

Harry gently grabs Louis's chin, tilting his head up. "When you're happy, there's stars in your eyes."

or:

The one where Louis is 16, blind, and suffers from complex partial seizures and absence seizures. Harry is a 20 year old solo singer and they cross paths one day.

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such a shit summary i'm so sorry but i have a few things to mention:
Lottie is 18
Louis is 16
Harry is 20
so yes, lottie and harry are both older than Louis