Just as a bargaining/communication effort, would it be possible for your partner to assist you in developing a resume?

I used to prepare resumes and do interviews to help people to understand their marketability and the pragmatism of seeking other employment prior to being unemployed.

Many people do not know the true extent of their workplace value, their proven and verifiable talents and experience. An independent person must take the raw facts and to show them to the job seeker as others see them.

You are a junior owner of a successful business whom is researching changing location and vocation during economic recession.
It is pragmatic to seek year-round employment, and to market yourself widely and in various ways before you can know what is feasible, realistic, and most likely profitable. The profitability factor is a big one--because giving up a bird in the hand for one that might be in the bush is not a wise move.
The bird that is in your hand is your present annual income and the value of your part of the business to a qualified buyer. (The value of any inheritance is nil. There are too many variables that can reduce/delay/negate that value.) As for a "qualified buyer" there is only one, which is a reduction in real value over the potential value because nobody else can buy a portion of the business ownership.

In addition to those things, employers presently have a deep pool of qualified and overqualified job applicants to choose from.
But one rule is always true: There is always room for a new employee who demonstrates the ability to increase profits and/or reduce overhead.

Good luck.

Do what makes you happy. I had an ex once who was in this position and it did not work out between us.