Was that her unintentionally revealing how much loneliness can plague her? Oh well.

"I can stay up for a while," Root offers immediately. It's been a rough few days, but she's nowhere close to the end of her rope. She's used to gauging her relative level of tiredness vs. functioning and she's confident she can stay awake and keep watch for a bit, give both Shaw and Bear a break.

"Let's build a fire first, or we're both going to regret it in a few hours."

Once she sits down and has her arms around Shaw, she's not going to want to get up again, and she knows it.