Ugh, yes, unannounced! Around here people don't knock either. They open up the back door and walk in hollering, "You home?" Have I mentioned I'm not from around here? This was a major shock to my system!I got that a lot when I was in grad school. Good for you for having strong boundaries. I love entertaining and try to make people feel at home but I don't like unannounced visits. I usually have straw in my hair and look like Medusa.