Consider the metaphor of a traveler. What happens when you’re traveling or you know that your stay is only temporary? When you’re passing through a city for one night, how attached do you get to that place? If you know it’s temporary, you’ll be willing to stay at Motel 6. But would you like to live there? Probably not. Suppose your boss sent you to a new town to work on a limited project. Suppose he didn’t tell you exactly when the project would end, but you knew that you could be returning home, any day. How would you be in that town? Would you invest in massive amounts of property and spend all your savings on expensive furniture and cars? Most likely not. Even while shopping, would you buy cart-loads of food and other perishables? No. You’d probably hesitate about buying any more than you need for a couple days – because your boss could call you back any day.
This is the mindset of a traveler. There is a natural detachment that comes with the realization that something is only temporary.