[ It hurts hearing her cry like this too, when he doesn't understand either. One thing he can do though is twist a bit so he can shuffle closer. His arm curves over her waist to pull her in against himself, cuddling close. ]

Sorry. I didn't mean to worry you. [ His head presses against her back then, his other arm wiggling under her side to give her a proper hug. ] ...I probably just missed you. And I really am... It's just a headache now, you don't need to worry anymore.