That's very hard to watch. I can't imagine living with it. But, as others have mentioned, he's trying. In the second clip, he's doing quite well.
I'm so hoping for the best for Alan and Katie-bug.
I am so desperately sorry.
But I do know that you didn't fail her: you gave her the best possible life.
Godspeed Skittle. Go find LA and have a meeting of the firm.