The mancave. The safe haven for a man to ignore the hustle and bustle of the rest of the household, the craziness of the day, or the complexity of the office - it's a place of beer, sports, peace, and frankly: tranquility.
It just doesn't appear to be the most tranquil spot unless you're the person appreciating it. Each mancave is different and unique in its own ways, but some just have that extra oomph that all others are jealous of. If you're a golfer, then you need a golf mancave, with a golf simulator.
When you're designing the perfect - for you - mancave, you have to start by listing the things that you love. Things you love to do, eat, drink watch, play - what do you want to immerse yourself in to be in your happy place? If you're a golfer, what do you have that sets your mancave apart from the rest and makes it that extra special enclave for you? You need a balance of the comfort aspects (overstuffed leather furniture, mega flat screen TV, beer fridge) and the entertainment aspects (billiards, conversation pieces like an old sweaty jersey on the wall, and okay we're going to list beer fridge twice here).
It's helpful to think about what you want your mancave to be like before you start throwing all of the typical pieces together. One man's cave is another man's formal living room and vice versa. So if you like to golf, take pride in it. Get a golf simulator, set it up, and challenge your friends - we can't condone gambling. Neither can your wife. But hey, you make the rules in your cave, right?