Some days you're smiling and thinking you're going to make this thing rock. Then the next day a RONAH knocks and your costs look too high. You have to learn to keep your eyes on an ultimate goal. If you lose sight of that goal, you have to get out. Time kama hii and If you are working on a product that’s going to be consumer-facing, then feedback is invaluable. You should be out there being brave and talking to people and asking for feedback as much as possible.