It was […] as if an unbreakable pact were being sealed. He started at the dragon and a cold tingle ran down his arm. (5.40)
Tomorrow you will ride me […] or else I will carry you in my claws. Are you a Dragon Rider or not? Don't you care for me? (21.59)
[Saphira:] If anything happens, I'm going to pin you to my back and never let you off.
[Eragon:] I love you too.
[Saphira:] Then I will bind you all the tighter. (24.7-9)