why why why

finally i got accepted into cathay pacific and they are totally not giving me time to think....*only 2 days to reply whether or not im interested!* should i go or should i jus stay?i was so ever ready not to leave as i have thought i failed my medical and now im suppose to leave on 5th september. *what*?? thats my birthday... and so happens my crew validity for mas expires on 5th sep. oh gawd.. is this a sign for me to leave or wat?

can someone jus help me?...gotta email cathay by tonight..

helppp!!!!!!!!!!