Love, like everything else in life, should be a discovery, an adventure, and like most adventures, you don’t know you’re having one until you’re right in the middle of it.
She just smiled, said that she loved books more than anything, and started telling him excitedly what each of the ones in her lap was about. And Ove realised that he wanted to hear her talking about the things she loved for the rest of his life.
Everyone always wants to know how you can tell when it's true love, and the answer is this: when the pain doesn't fade and the scars don't heal, and it's too damned late.