Earlier quoted context omitted.
For me I want to move on something new. There is no point on saving something would almost certainly not work. But I am feeling guilty. He left his job to join me, and we are cofounder for a couple of years. He told me I am wasting his time if I don't keep working with him. That makes me feel very bad.
He could be wasting his time too. If he's playing on your emotions that's just manipulation. What's best for both of you? Enabling him to waste his life chasing his white whale is not the right thing to do. Especially if you end up collateral damage on the way. If there you think you've got the drive to make this work then make it work. If not move on.
if you cant raise some funding, close some sales.