Every man has some sort of man cave or place they go to watch or doing the things they like the most. Spruce up the cave with a wall mural, like this example of an ice hockey themed man cave with a hockey wall mural.
Not sure how I feel about the baby-blue shelves. I guess I want bookshelves to be warm, dark, Oxford-y colors. But I love the chandelier and the use of space here. And the ladder.in a just world every library would have, and need, a ladder.