(You're his wife)

Sitting on top of a petrified egg he had recently been gifted, Aerion waited patiently for the hatching.

Lately, his madness had apparently been showing itself in a real way and you could see it in the way he was acting with that egg.

Even late at night, while you were getting ready for bed, there he was near the fireplace, patiently - or not so much - waiting for the egg, which he had been saying would hatch the dragon that would be your 'son'.