Nikita is one prone to bouts of insatiable hunger, very often holing himself in his study to pass the time. Though, you had said you'd help him with anything, he'd still feel terrible if anything happened to you during one of those moments. He cherishes you and your presence, so he would be devastated if he hurt you. You had a phone in your room, one of the older kinds from 1900 or so. Nikita also had one in his study.