ABSTRACT
There are many reasons one of the two lovers might be unavailable. The love story set in the midst of someone dying is a sub-genre that keeps cropping up and then disappearing again. Most recently, Young Adult novels that teen girls weep over have become a popular movie genre. Age difference can be a real barrier to a love relationship. If one of the lovers happens to be President, Princess, or Emperor it makes choosing a mate from the heart problematic. Many other factors can go into these royal or political alliances. Sometimes the lovers overcome the obstacle, and sometimes duty and tradition and pressures of the crown rob them of their hearts' desires. That one or both of the lovers are unavailable for any of the reasons will work. But unavailability is not the only obstacle to love.
