Question???

okay, guys, so i have a question... this may sound a little odd or strange but i don't know who else to ask! my boyfriend & i just had sex tonight & he came inside me... i'm not on birth control & im grabbing the plan b pill tomorrow (stupid idea, i know) please don't tell me how stupid i am because i know it's not smart..: but after he came inside of me, i started feeling a bit nauseas and i don't know if that has happened to anyone else... please help? let me know if its happened to anyone else!