For some people abstaining from sex before marriage is really a big deal.And most of them find it difficult how to say "No" to their partners when it comes to sex.You can allow enjoying other displays of intimacy short of sex but try to keep it always in check.This would be very important if you get this point known early in your relationship.Try to explain your reasons for waiting and be clear about it with your partner.Abstinence from sex can be due to a number of reasons.In every relationship, intimacy may be required but both partners should be able to learn at what level each one may be comfortable with, especially if it is between boyfriend and girlfriend.
Make sure that you also try to let your partner know how you feel and how much you care for him or her.
Make your partner feel that you still love him or her and that sex should not be an obstacle that should be placed upon your relationship at this stage.
Here are some tips that might help you put up the courage to say "No".
Whenever you come into the subject of sex with your partner, make sure that you make it known that you feel it is right to abstain from it for awhile until you get married.
This will help set up the limits that you wish to follow and make it known to your partner as early as possible.
Respecting the limits that you set will be proof of how serious your partner is about your relationship.