Sharp pain in upper middle abdomen and when I bend over feels like something is stabbing me in my chest! What in the world is wrong?

Pain in abdomen. Your abdomen has many potential causes of pain. Something like what you are experiencing really needs to be evaluated by your physician your physician will: - get a more detailed description of the character of your pain - find our what makes your pain better or worse - physicaly examine your abdomen to further assess your pain - obtain a much more detailed history (example-have you had surgery?).
Seek help now. If you have severe stabbing chest or upper abdominal pain, the internet would not be the resource i turned to.