I was doing deadlifts, I was trying to go up in weight, I lifted the weight, held it, then put it down, not sure if I was breathing during that time, I started seeing stars then felt really light headed, do I sat down and started to get frustrated that all that happened, when I stood up, I started to become more and more angry, over little that, I am not an angry person at all, so that only lasted five minutes, where the heck did the anger come from? Is that a normal side affect from my cycle?