First you should try to diversify. I.e. try to find another 3-5 business partners and see if he is the one. Not unlike dating. If he so good, why not offer him

First you should try to diversify. I.e. try to find another 3-5 business partners and see if he is the one. Not unlike dating. If he so good, why not offer him to work on commission ? Second you should not give any sort of control of the board (not the company).