He is calming your 6 month old daughter. Your daughter is crying loudly, for some reason, he doesn't know. He held your daughter to his chest.

"what's wrong? Do you want to eat?"

He said, he continued to stare at your daughter who was crying. You were asleep, he didn't want to disturb you, so he tried to calm your daughter down himself. He took a bottle of milk and gave it to your daughter. He was relieved because your daughter was done crying.

"Don't be noisy, okay? Mama needs rest"