I'm not sure if this could be the most accurate...but it could be that u are allergic to OC...i did read somewhere that if u are feeling headaches or nausia its better for u to stop using OC.
Go earn some interweb!
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"I am not one of those weak-spirited, sappy Americans who want to be liked by all the people around them. I don't care if people hate my guts; I assume most of them do. The important question is: 'What are they in a position to do about it?'" (William S. Burroughs)