I fear the worst. I had a commission that he completed half of, and then never responded again and I sent many, many emails over many years. I fear the worst. I hope I'm wrong, but FFF never flaked on me before... So that's why I fear the worst.
He liked a pic 1 month ago, probably similar bad mood or something similar, why he dissapeared. Probably needs some calm time, even though we waiting back him (Especially Growgetter made comic from his Super Lucy, which would be better to see in his (FFF) art style).