It makes you feel important, being a knight in shining armor.
Don't pay attention to the baker or the blacksmith, both of whom had families and enjoyed many laughs.
DRAGONSLAYER SYNDROME:; WHERE A PERSON FEELS A SENSE OF PURPOSE OR MEANING BY HAVING A ROLE IN FIGHTING AGAINST A NEGATIVE OR EVIL FORCE (I.E. SLAYING A DRAGON)
IF THE FORCE THEY DESIRE TO CONFLICT WITH IS NO LONGER A PRESENT THREAT (SLAIN) OR IF THERE IS NONE TO BEGIN WITH (FAIRYTALE), THEY FEEL NO SENSE OF PURPOSE OR VALUE IN THEMSELVES AND THUS THEY QUEST ENDLESSLY UNTIL THEY CAN FIND OR CREATE A FORCE TO FIGHT.