Some homeowners have mixed feelings about overly friendly neighbors. It can be nice to have a quick chat, ask them to watch your house when you're out of town, or stop over to borrow a baking dish. But how do you feel about neighbors who constantly find their way into your house unannounced? That's what this new homeowner has been dealing with for the past four months. He's realized he's surrounded by overly friendly neighbors who have no issue walking into his backyard for a chat or going insi…