Did you build a tree house when you were a kid? While your home in the branches probably wasn't an architectural wonder, you probably had a memorable time planning, acquiring the materials and building it. You likely felt competent and in control, making adjustments as the structure progressed. Kids are driven to take on such a project because it somehow satisfies their need to utilize their growing developmental skills. They're able to try building a structure they've fantasized about living in or at least sleeping in on a warm summer night. While doing so, they imagine whether they'd be lonely...
