Знаете, знаете что? Это любовь. Признанная сценаристо-продюсерами. Трижды

Uther: You show him most exraordinary loyalty.
Merlin: It is my job, sire.
Uther: Beyond the line of duty.
Merlin: Well... You can say, there's a bond between us.
Uther: I'm glad. Look after him.

Merlin acknowledged it! To King! And the latter was glad, you realise it?! Uther was glad, that there is a bond between his son, the crown price, and his son's manservant! That is just ... unbearable! My goddness.