Say You Won't Let Go

Harry's confused by the sudden topic change but decides to just go with it. He recalls his day's events to Louis and he makes sure to make it extremely funny, partly because he hated that look of despair on Louis' face and partly because he loves those crinkles by Louis' eyes when he smiles.

And dare Harry say that he's proud of himself because he made Louis laugh a couple of times.

~~~

Or an au where Harry and Louis meet at a bar and instantly hit it off with each other. But when Harry has to leave abruptly- because his bestfriend's boyfriend broke up with him- Louis asks Harry to put his number in Louis' phone, and Harry does.
Harry's insecurities and trauma resurface when even after waiting for Louis' call for almost two years, the call never comes.