Girlfriend 1.0 is cheaper than wife 1.0 and wife 2.0, then there’s no upcharge or carry cost to upgrade to girlfriend 2.0, then 3.0. The technology moves too fast to lock into anything, by the time you get it home it’s obsolete. If you remodel wife 1.0 she may find husband 2.0, upgrade the kitchen and still get the sexytime shoes and wardrobe, a corset can work miracles, so can alcohol.