The man cave is important for the man of the house. He can have the décor of his choosing. He can get away for some alone time when he wants to recharge his batteries. The basement can be sound proved so that he can listen to his music at the volume not allowed in the rest of the house.
When the teenage son comes of age, he can spend sometime with him and pass on the knowledge that only a father can. To convert the basement into a man cave does not have to be expensive. The man can create this cave with a little budget or he can give himself everything expensive that he can afford. He works hard for his money. A pool table may be included in the cave. He can show off his skills to his friends when they visit. A bar elected to serve the drinks and comfortable sofas purchased so that they can hang out in style.
Lighting changes the ambiance of a room. Manly lights elected to get the theme that he desires. He can have a Decker bed if he chooses so that he can have a night away on his own occasionally. If he is the romantic kind, he can get a giant screen to watch movies with his woman when he wants time away from the children. This is his domain; he can do with it as he chooses. It should reflect his taste, his world.