If you're in the US, one tangible first step (without making a decision one way or the other) is to unenroll from as many benefits at your current job and move

If you're in the US, one tangible first step (without making a decision one way or the other) is to unenroll from as many benefits at your current job and move to your spouse's health care + other important benefits. This takes a bit of the pressure off if you decide to pursue something more risky. You still have to generate income, but variable income is easier to plan for than health problems.