When being in a new relationship, it looks wonderful and tempting to have sex. However, common sense, wisdom and experience show that having sex too soon, even on the first date, increases the chances of ruining a potential relationship.
If you've fallen into the sticky trap of sleeping with someone too soon, even knowing that it's not in your best interest, you may have gotten caught up in the moment. There are the factors of mistaken sexual chemistry for more than what it is; craved intimacy; having sex for validation after a breakup or a dry spell and using sex as leverage.
There's also the feelings of being pressured and wanting to please the guy; the belief you could have a no-strings-attached relationship, only to later want a real boyfriend-girlfriend relationship or believing you were the exception to the rule.
Having sex too soon is actually fine, but it's very important to make sure that both of you have the same feelings about the nature of your relationship. If you want a real, long-term and committed relationship, having sex too soon, without expressing your feelings, sends the wrong signal to the person you're starting a romantic relationship with .
There are some people in a relationship who realize that the relationship is not working anymore because they have had sex too early. Remember that having sex too soon can make people think differently about the relationship that you have with each other.
There are also some people who feel that they have been damaged emotionally even if the sex happened with consent. You also have to remember that having sex too early might cause some permanent damage that will make you think of intimacy in a different manner. You would like to avoid these consequences as much as possible.