Last year i had lost all interest in things also, i blamed my meds for that one. I worked with my pdoc and haved my meds so i get more interest and energy back in my life. However not all of my passions have returned. My work on my model railroad has completely died, as has my interest in making models. I have carefully packed up all these things for the day when the interest may come back to me. I was sad to see them leave but it was something i had to giv eup to live anormal life than i had to give it a try.
My love of cycling is back also, but at a lesser degree than before. Still all in all i will accept this and work around it as much as possible. If life gives you lemons, make lemonade is my motto.
Thankfully my love of reading has not left me, books are my friends and i am truely thankfull they are still in my life.
Employment isnt an issue for me, in fact i have the oppisate problem, i am over employed. However i have noticed that i have a lot of interest in work and excelling there so that has, in some small way taken the place of my models and railroad. Right now i am working 12-16 hour days with the occasional 24 hour shift thrown in. I have to be careful as i still need to make time for my wife and balance my overwhelming need to make money.
I have to wonder if maybe you are over medicated. you are right you arnt living you are just existing, and that sucks completely. Talk to your pdoc about trying something new. Thats what i did and it has helped a whole lot.