Because he is haughty, it's difficult for him to get along with people.

He is proud of his son's success.

He was looking proud when he heard that his son had been accepted to college.

That man-child is still living in his parents' house.

He is called a 'kid's room uncle', and is alienated from society.

I reserved a single room.

We booked a double room.

He is a person of strong vanity who reads self-improvement books.