I love to leave my windows and doors wide open, so I can enjoy the breeze when I'm indoors and out. That is, if lovely Spring or Summer weather is in full effect, and it's not frostbite-temperature time. But, I recently had some house guests who did not share my sentiment, and I realized the house can feel a bit claustrophobic when it's sealed completely shut! It's also nice just to have air circulation, which I suppose otherwise you can just get with a fan.
Tell me, do you leave your windows and doors open? Or, do you live behind closed doors?