yikes. am i pregnant?

just this morning I am acting like I am pregnant. I am being mean to my husband lately and really acting so weird. I took a pregnancy the other day and the result is negative. And just today i've been acting like weird again..I just suddenly feel like throwing up which is so weird..now i felt dizzy and really need to go to bed. this is exactly what i feel when i have elijah..i dont know yet..i need to take another pregnancy test..as for now i need to go back to bed and take some rest..later friends..