MLC82, I sympathize with you. I certainly know what it feels like to feel adrift and unmoored. As Meat Loaf would have said in the 70's (in the immortal words of Jim Stein), it's like being
All Revved Up with No Place to Go.
I understand what it's like to have an enormous, untethered drive to do something ill-defined, especially with regard to my professional life.
I wrote a 6 part article series explaining how I got myself out of the funk I was in. It may not fit your situation precisely, but there might be something helpful there.
Here is the first article in the series:
Synergy, the Key to Greater Energy and Happiness
I wish you the best of luck and am confident you will sort it out.