Grief Can Drive Someone Mad AU
Baleor dies at the trial of seven but the moment he dies Valarrs dragon egg hatches the baby dragon has Baelor eyes.
Maekar and Valarr are convinced the baby dragon is Baelor reborn.
Its not Baelor reborn, Maekar and Valarr are just crazy with grief that they just like to pretend Baelor is still with them.
It doesn't help that the Dragon is only friendly with Valarr and Maekar.
Valarr survives the spring sickness thanks to the extra strength given to him by his baby dragon.
His little brother Matarys however does not survive.
After Matarys death Valarr goes a little crazier as he desperately tries to convince himself that his baby dragon is Baelor reborn and Maekar feeds into his delusions as he too misses his brother.
Valarr sleeps with his baby dragon and takes it everywhere with him, you are not separating the two.