[arojahn]

"I'm getting an unspoken but almost palpable sense of disappointment and disinterest"

The disappointment might be due to your entrepreneur friends believing you were great at being an entrepreneur, and that it's a waste to the community if you go back to being employed? I know I sometimes feel that way when I see a potentially great entrepreneur quit; but that doesn't change the fact that getting a job can still be the right thing for you. And personally, I wouldn't worry about those people who display disinterest - they were probably only interested in the fellow entrepreneur, not the person.