That's a bit of a broad question to ask: It would depend on what your personal relationship is with the other co-founder -- and that can mean anything from a sp

That's a bit of a broad question to ask: It would depend on what your personal relationship is with the other co-founder -- and that can mean anything from a spouse/childhood best friend to someone you never knew before last week. On the business side it would depend on what your agreement was with your other partner, and what you've put into it. I guess my best bit of meta advice would be to not burn your bridges behind you, and since you're the one abandoning ship that you make it as easy as you can on the other partner.