The Kings and the Princes

Thorin and Thranduil's obsession with each other means that they spend too much time in bed and not enough time 'kinging'. They selfishly decide to train up their heirs so that they can pass over some of their duties and see each other more often. How will Legolas and Young Thorin, son of Dain, get along together and will they object to being used in this way?