"I don't know, Mom, all I know is he wouldn't let me do the magic." He shrugged, thinking hard about when his father had changed and he couldn't put his finger on it.
Unless... was after Ana was born? He couldn't say it out loud as his mother didn't even know about his little sister. But as he thought about it it seemed to start to make sense.
"But now I'm back we can fix that," he said instead, deciding he needed to think hard, and see if he could find Blake again. She was the only one who seemed to know him from then, and she might be able to help him remember.