It's a surprising, but not unwelcome reaction but perhaps that serves as a testament to how much Falcon has changed her. Ian doesn't necessarily count that as a bad thing. Maybe it was something he had unconsciously chipped away at it before his time with her was cut short. This is a gesture born in innocence, though, a physical manifestation of unspoken and unwavering support for her.

He wraps her up in his arms, resting chin against her forehead. He grazes his thumb against her back.

"You should get some sleep," it's coupled with a quick squeeze. He loosens his arms a little bit, letting her take the lead on this. If she wants to pull away, she can. If she stays and needs to be held a little longer- ok. He will do that. He's here for her.