His novel, called in English Little Man, What Now? was a huge bestseller, sold 42,000 copies in Germany alone. And THIS was before social media!
He followed that up in three months with another book, whose title in English was Once He had a Child. The “frenetic pace left him breathless with exhaustion. Abscesses on his gums sent him into surgery three times, and both his children got whooping cough.”
That is indeed awful. But I have never been able to write a novel in three months. So there’s that.