Summary<p>1. Treat your spouse as an investor and board member from the beginning.<p>2. Lay out a plan and hold yourself accountable on a periodic schedule.<p>3. Come to an agreement on an overall plan that includes timeframes and limits on financial obligations you will incur.<p>4. Distinguish between asking for money, asking for emotional support, and asking for advice.<p>5. Schedule time and expense for the mistakes necessary to learn how to thrive as an entrepreneur.<p>6. Plan for iteration and refinement.<p>7. Commitments to customers and cofounders are important, but family commitments are more important.<p>8. Establish some simple practices to maintain financial transparency from the start.<p>9. Maintain a list of critical risks and review monthly.<p>10. Financial outcomes are essential, but new learning enables you to define and meet goals.
I'd add to this: try to encourage your partner to frame their goals in a similar manner - you are there to help them achieve the same outcomes dear to them you are hoping for.