I think Max Levchin once said something like "If there's doubt about your co-founder, there's no doubt." Meaning that the moment you have doubts about your co-f

I think Max Levchin once said something like "If there's doubt about your co-founder, there's no doubt." Meaning that the moment you have doubts about your co-founder, you should break it off and cut your losses. Hope this provides some perspective.