Edit: In case you want to learn more about 'traps' one can fall into, I suggest this book: http://www.amazon.com/How-Found-Freedom-Unfree-World/dp/0965...
No matter whether you are young or old, male or female, married or single, I think How I Found Freedom in an Unfree Word will probably increase your understanding of how erroneous thinking causes us to restrict our own freedom. By increasing your awareness of erroneous thinking and offering you better alternatives, Harry Browne gives you a chance to make choices that will increase your freedom and happiness. Whether you want to make those choices is up to you.
More info: http://www.amazon.com/How-Found-Freedom-Unfree-World/dp/0965...
One of you two decides what equity the one receives who leaves the company, after that the other one decides whether he wants to take the equity and leave or stay.
[1] https://www.amazon.com/How-Found-Freedom-Unfree-World/dp/096...