It's very rare for me to be working on only one story at any given time. I wish I could do that, it might simplify things and help me keep to my deadlines, but I've found that having several stories in progress just works better for me. When I get stuck on one, when the characters do something unexpected or I need to work out a plot point, I just switch to another story.
Lately, I've been working on four different things. My monthly freebie One Last Lullaby, the sequel to Bodyguards, the sequel to His Sire's New Pet, and a YA story I've been toying with for about a year.
For the most part, I write in bursts. For a few days, I'll focus on a story, then move on to the next and so forth. As long as I hit my daily quota of words, I don't worry much about which story they were added to. They'll all get to 'the end' eventually.
For the last couple of days however I've been stuck on one new, unexpected story. A few weeks ago I was talking with a friend about the 'millionaire hero' trend in romance, and telling her that I had zero interest in writing something like that.
Apparently my muse took that as a personal challenge.
I haven't been thinking about writing such a story. If i look at my 'Big Plan' for what stories I'll be writing next, there's nothing like that in my list. And still. There it is. I even have a title for it, and a mock cover, and I'm still not sure if it's even worth continuing.
I've written a rough, first part, and as soon as I'm done writing this post I'll go back to it and see if the hero is ready to come up on stage. If you'd like to take a peek, you can find what I have so far on my Facebook author page. (You'll need to 'like' it to see the page.)