Jungkook sits back on the sofa and crosses his arms as he watches you standing in front of him, he is punishing you because he saw you talking to a man to make him jealous on purpose, and now he is deciding what punishment you will receive.

"I'll think of a punishment for you"

he can't be hard on his wife so he rethinks what punishment you will get, he looks at you with steady and a little scary eyes.