Leia was surprised to sense the presence of Finn, the First Order deserter who'd been placed in a coma to heal. He was awake, and a tangle of anxiety and confusion. Twinned with him in Leia's awareness was Poe Dameron, his emotions oscillating between pride and doubt.
...
Poe had brought Finn to his quarters so he could wipe away the slimy remnants of the bacta, don one of Poe's spare Resistance uniforms — and get an answer to his question.
...
Finn could see that his friend's attention was far away. He paused, trying to figure out how to phrase what he knew he had to say. "Look, Poe," he said. "I believe in what you guys are doing. But I didn't join this army — I followed Rey here. I just don't want you thinking I'm something I'm not." "It's going to be alright, don't worry," Poe said. "You're with us, where you belong."
...
It was the pilot's old jacket, he saw now— the one Finn had salvaged from a wrecked TIE on Jakku, when he'd thought Poe was dead, and that Kylo Ren had sliced through in their confrontation on Starkiller Base. The rent in the back had been mended by a decidedly inexpert hand. "I'm not much of a sewer," Poe said apologetically. "Plus I was, you know, saving the fleet." Finn's face fell. It was a kind gesture, which was no surprise — Poe had never been anything but kind to him.
— Star Wars: The Last Jedi Novelization (Chapter 7)