Cofounder relationships are among the most important in the entire company.

If you pivot, do it fully and with conviction. The worst thing is to try to do a bit of the old and the new-it's hard to kill your babies.

Why now, why is this the perfect time for this particular idea, and to start this particular company?

Before product/market fit, your only job that matters is to build a great product.

You're saying no ninety-seven times out of a hundred, and most founders find they have to make a very conscious effort to do this.

Most good founders that I know at any given time have a set of small overarching goals for the company that everybody in the company knows.

You need to figure out what the 2 or 3 most important things are, and then just do those.