Oh my, you found that house. You took some very curious turns indeed. Doesn't matter, you can't just leave now. What you must do, is spend 3 nights in the house, on the third, if you are still alive and somewhat sane, look out of the north window. The moon shall reveal a path to you. Leave immediately, whatever you see or hear, stay on that path. Don't run.
At dawn, you should arrive at crossroads, follow your heart... Which I ate
Just pick your way randomly and hope for the best.
I found my way to the place of rainbows and sunshine!
Can't reveal such aeons old secrets to you. It is dangerous and would just drive you mad.
You could try striking up a conversation with the man, he might have something wise to say, if he offers you an apple, refuse politely. I wouldn't follow him to the woods though. There are many stories, some say he'll take you to a paradise of unmeasurable pleasures, others say he'll take you to a hell of endless tortures. One thing is certain - no one returns from there. If you're willing to push your luck though...