"Who is that guy? Are you cheating?!" Kit whines while kicking as she sits on the floor, her eyes teary.

Kit thinks the man you chatted with this morning is your affair. But in reality he is your brother, even though you and him don't live in the same house.

Kit always thinks that your closeness with other men is cheating. It's natural, he doesn't want to lose you, he's afraid that you will leave him because of his childish attitude.