Where did this idea come from that you should buy a house where after you've lived in it for 40 years, it should still be able to turn a profit? That seems like

Where did this idea come from that you should buy a house where after you've lived in it for 40 years, it should still be able to turn a profit? That seems like a uniquely American derangement. If only you guys would approach car ownership with the same mindset.