Thanks for your answer. You're right, we need to discuss this openly before I put much more work into it. We aren't looking for investment yet, but I'm assuming

Thanks for your answer. You're right, we need to discuss this openly before I put much more work into it. We aren't looking for investment yet, but I'm assuming he's talking to people who might be interested. I think formalizing our agreement in writing will make me a lot more comfortable with the relationship.