The more consistent you can be with your diet, and introduce small changes in the new year, the better results you will see, and the more sustainable it will be for you. Then the better you begin to feel, the more you are likely to continue.
If you are serious about conceiving or wanting more energy, or you want to get your hormones back in check, because you feel like your emotions are out of control, the first thing I would suggest you do is start following an anti-inflammatory diet.