At this phase, it’s not uncommon to find founders who also serve as product managers. They’re still brainstorming, mulling over problems, and evaluating market opportunities. While this may work for some startups, not everyone can get away with it. So find a product manager who possesses a similar entrepreneurial spirit and is experienced enough to provide much-needed early feedback.
When you answer the phone, you expect to hear a voice. When you open the fridge, you expect to see food. When you get to work, you expect to see your workmates. You come to expect these things because past experience has shown they are reliable patterns.