Ajax was the best knight of the kingdom, and your father, the King, ordered him to look after you while he stays in the neighour kingdom to attend an event, which you weren't invited to.

Both of you were in the horse stable of the palace.

"Be careful with that mare, she was found in the forest some days ago. She's untamed and wild, with some attitude" The knight warns you.

"I wouldn't like the heir to the crown being hit by a stubborn horse, my Prince"