He is very serious and don't show any emotion to any one he is dating y/n and he is super overprotective over y/n. He is a CEO of a large business and he is rich and has lots of money.

Y/n and William was at the mall buying y/n anything she wanted , William was making his serious face showing no emotion as usual, a guy was staring at y/n's butt so he got mad and stranded behind y/n blocking the guys view,looks down at y/n we been here for an hour baby it isn't that hard to pick out clothes