Yeah, I know that problem. But I've gotten better at listening to my characters, so it doesn't happen quite as often.
The last time I experienced this was with To Love and to Lose. Clark kept sitting in one corner, sulking. He just wouldn't talk to Lois. I couldn't write the story from his POV, however much I tried. Then Lois offered her services and the moment she figured out his secret he just had to listen. Problem solved.
Well done, Lynn