Don't ignore the past, but deal with it, on your own pace. Once you deal with it, you are free of it; and you are free to embrace your life and be a happy loving person because if you don't, the past will come back to haunt and keep coming back to haunt you. ↗
Unlike life, you've got more or less complete control over what's going on in your stories. That's not to say you can make characters do whatever you want them to - they usually have a life of their own if you've done your job properly. ↗