 [ Symptoms ] lasting only a few minutes i can feel happy sad then normal again is this a symptom of bipolar disorder  few minutes = 0 seconds to 2 3 minutes racing thoughts appear time to time i workout a lot it helps from time to time i masturbate a lot i can not sleep sometime without masturbating sometime i do not even feel like masturbating but i need to sleep i am a very confident person sometimes too much i think i might be lonely i am confused sexually  [ Disease ] acute blood loss from internal bleeding as from a bleeding ulcer or external bleeding as from trauma can produce anemia in an amazingly short span of time this type of anemia could result in severe symptoms and consequences if not addressed promptly