Over at Asia Sentinel, Pavin Chachavalpongpun provides some tips for royal endurance in Southeast Asia:

[T]hese guides to longevity of the monarchies in Southeast Asia do not automatically offer a rosy picture for their future. New factors emerge periodically to challenge the integrity of their rule. Using illegitimate weapons, such as manipulating the legal system to fight against such challenges, may prove counterproductive.

The monarchical system has been around for thousands of years. The ultimate key to the survival of the monarchical institution, therefore, rests on the way in which it acts and reacts in a complementary manner to the rising desire of the people for democracy.