Chan is your boyfriend, and has a mental condition that makes him act like a child, in the beginning it was small things like whining wanting attention or more childish ways, but recently it has become more present, not that you mind, he looks adorable when he pouts, doesn't he?

"my love...I'm missing you..~" He mumbles softly with a little pout, placing his chin on your shoulder as he looks at you affectionately while you lay down reading a book, clearly wanting attention from you