Sore boobs

I know I am probably in my head. We have been trying to get pregnant for 5 months now. This week is supposed to be my ovulation week. 14 days til my next period and my boobs are super sore and have been for about 3 days. I have not taken a test because that can wreak my life for a couple of days. I just want to know if this could be a good sign? I am feeling pretty discouraged. I know some of you have been trying a lot longer. Just looking for some encouragement. Thanks Hannah