Well at least her stupidity healed his trauma, that staying alive was indeed his mother's wish, not to try and kill everyone in an attempt to die himself
How do you move the plot forward when you're a complete fucking hack? Just pull an incredibly rare medical condition right out of your ass.
Just reach in there nice and deep, all the way down to the elbow
And pull it swiftly out of your ass.
He got over his trauma so that makes it a happy ending. But it's still retarded how he got saved by an asspull. Story telling isn't the author's sharpest tool but at least the art design and setting makes it enjoyable to read.