These marriages were rarely successful, principally because of a lack of sexual attraction between the husband and wife. This has been explained as a classic demonstration of the Westermarck effect.
Shim-pua marriage fell out of practice in the 1970s due to increased wealth from Taiwan's economic success making these arrangements unnecessary. A direct translation of "Shim-pua" is simply "little daughter-in-law", and "Tong Yang Xi" means "child daughter-in-law."
Patent Issued for Shim Plate for Milling Tools for Chip Removing Machining as Well as a Milling Tool Having Such a Shim Plate
Aug 28, 2013; From Alexandria, Virginia, VerticalNews journalists report that a patent by the inventor Engstrom, Tord (Sandviken, SE), filed on...