Back into the forest

This one is for the writers. Or anyone more organized than me, I guess. I'm in a bit of a quandary. I seem to be having an affair on The Girls Nobody Wanted to Date. I'm 35,000 words into it, which means I'm more than halfway done since it's a young adult novel. But the werewolves have called me back to the forest. All weekend I've been switching between Girls and Nadia's Children, the new Werewolf Saga book. I will literary end a sentence in one manuscript and go to the other one. I have never