Not knowing your age, Tracy, I wonder if this could be perimenopause. It plays havoc with your hormones? You can experience every emotion in the book in 5 minutes. Honestly, I have heard someone who said that they had this experience. Hope that I don't insult you. This may not be the problem. If it is, however, it is just as merciless as mercury poisoning. Dr. Lee has some interesting info for women in their 40s and 50s.