I was burned out when I sold my first startup for a life-changing amount of money. But I missed the energy, so I've started another.

• Ankur Nagpal started his first company Teachable in 2013.

• He enjoyed running Teachable at first, but after he sold it, he was left feeling burned out.
• Nagpal thought he would never start another company again — until he founded Ocho Wealth.

This as-told-to essay is based on a conversation with Ankur Nagpal, 34, who founded startups Teachable and Ocho Wealth, where he is also the CEO. This conversation has been edited for length and clarity.