The words are weirdly comforting. Even though he logically knows it's not like anything will change just because Chloe said that, the words still feel nice. It's the sort of reassurance he isn't particularly used to, but he wants to keep it close to his chest all the same. Not just because he desperately wants those words to be true, but also because there's just something nice in hearing them. It makes him grateful towards her.

.. even if he doesn't know how to reply to them whatsoever.

Maybe it's why he doesn't reply to them. Instead Billy finally slowly unfurls himself from where he was curled up at Chloe's side, standing up and dusting the snow off his pants before offering her a hand. He figures she's likely been warmed up enough to be able to walk again.

"Allow me to bring you home, Miss Frazer." Out of the cold, before it can get to her again.