Better yet, let Witchcraft Forums help you to help yourself. Yes, that can be done. However, that calls for your participation in at least one, or some, or many or all of the topics which can be found in these forums. Just pick whatever topic or topics which feel and seem right for you, whatever you feel attracted to and comfortable with. And then after your exploration of all of that, a discussion could begin, here.
Do not try to force positivity, nor negativity, for they are elemental and cannot be possessed. But they can be found.
Wicca teaches about positive and negative elements and I suggest that you begin there.