How to Make Your House More Comfortable

How big does your house need to be for you to be comfortable? Is size the important thing here? I want floor space elbow room like whatever I got it so but there was this one place that we looked at like the rad place that was not home. It's like interesting radical house but when you went down the stairs there was a bookshelf at the bottom of the stairs. And then the bookshelf was a secret door over like a little chamber could have been like a they said a panic room. But that's not a panic or a most but where would you go if you're a panicked.