Doldrums

Work has been really tough for me lately. I can't say that the work has been overly demanding or rushed, like I was this time last year. But it's still tough because of the area I am in. And it seems like my clients are more difficult recently, as well. It's been really draining emotionally & mentally.
It's been very difficult to feel passionate about work now. It's hard to feel excited about what I am doing because things are just really not clicking for me the way they used to. I have started to dislike being @ work, which really sucks. I want to feel excited & passionate & driven again @ when I am working on my cases. I don't want to be a crappy public defender who doesn't connect w/ the clients & who doesn't have the fire in the belly for this work. But I worry that maybe I am starting to lose my fire. Instead, I just feel...tired & worn out all the time @ work now.
I am trying not to let that be my default attitude @ work. I am trying to find things that make me feel excited & passionate. But so far, things aren't changing. I really hope this is just a phase.