is this cos you left your job to focus on music?
cos in that case maybe you need to find something that will take your focus away from music, so that you feel the inspiration to actually do it!
i'd gone through a long time without making any music and the thing that's kicked me back into it this time is working with someone else who's work i really admire
she's a poet, and i'm making some backings to her work, it's really fun (and i desperately want to get home from work to crack on with it)
maybe what you need is some inspiration like that (if you want to collaborate i have way loads of musical ideas/lyrics/poems)