I have gone against my heart and the decision turned out to be the best thing for my kids & me. Looking back now, I dread to think about the life we'd have had if I followed my heart.
I actually have had one time where I listened to my heart more than my head and it was when my DH moved in with me and my older 2 kids. I guess in a way it was more of a head decision though as I contemplated moving to the other side of Australia at one stage just to be with him.

I have taken jobs that my heart tells me not to take but my head knows is the right choice and they have turned out to be great. I sometimes think that your heart will follow if your head is happy... if that makes sense?