"Tis true that he would have reached a swift end, if he had tried." Faramir tries to match her levity and... well, he's only grinding his teeth a little?

Normally he advocates for mercy, but in this occasion...

He blinks and then flushes shyly, reaching for her hand to kiss her knuckles, a soft, reverent sigh on his lips.

"I am glad I was able to bring you joy."