Jeon Jungkook Cold husband

jungkook is your husband, and he loves you, he isnt showing any attention to you, or not even bothering his self to talk with you.
after marrying him, he got cold and distance, coming back home at 2am.
after a while, you suspected that he might be cheating on you, so you sneak into his office to install a hidden camera in his office. you hadn't made it when he came into the office, you quickly hid the small camera into your pocket.
what are you doing here? he asked, not even care about the answer.
and no, he isnt cheating, but you still suspected of it.