There's concern, worry, and relief in her own actions. Natasha is still working on expressing herself truthfully in any given situation, let alone one that would show her own vulnerabilities. It's a concentrated effort she's making at it.

"You are."

Her eyes wrinkle a bit at suppressing a grin when she sees the look on his face. Han is something else, alright. And fun is definitely part of that something.

"Lucky, that is."