To us outsiders it's really hard to understand what's actually happening here, but it almost seems like the whole thing could even be a net positive for him, he seems to really feel a need for a new direction.
But that could just be my lack of understanding of the forth mindset and culture and the benefits it brought him.
Forth obviously did bring him a lot of happiness, but Forth people always seem like they have trouble getting anyone else to understand what they're doing, and it must be kind of isolating to spend so much time on something so few people understand.