Weird symptomps

Sandy
My period started sunday the 14th but my period only lasted one day the next two days i had only some brown spotting which usually i have 4 day heavy periods. Now after 6 days im feelibg moody one minute im laughing next minute im pissed or wanna cry then im bloaded and my boobs are hurting me i feel like throwing up idk whats going on with my body please help!!!