Ronan doesn't know that. He's seen it for himself, in Kylo's thoughts and in Rey's memories, that there is an ending to Kylo's story which grants him a happiness greater than anything Ronan could ever give him.

But there's also so much standing in the way of that, a thousand ways it can and probably will go wrong. Different choices. Different worlds.

"I'll find you, then," Ronan tells him, fighting the waver in his voice. "Every time. I won't let you stay lost."