family problem

i n my boy was in luv for 3 years..last week he went to an astrologer there he said,my boy wants to get marry within 9 months.bt his parents were very strict in caste...so we both are scare...but we are in very strong in our luv....but eventhough 1 prblm is within 9 mnts he needs to get marry what shall we do now...but we dont like to do register marge..what shall we do now help us...