"You might find that you don't even like the person," Allen tells Web MD.
Other experts agree that sex too-soon can lead to undesirable consequences.
Now you find yourself with two dates, neither of which you feel comfortable canceling. It’s happened to me before, and it’s probably the right thing to do, but I can see how it might be impossible, so read on.) So you go out with each date, and hopefully are able to eliminate one from the race right away. Well, now that you’re in this mess, you need to go out with each one again, until you make your decision. What if you’re dating someone and then happen to meet someone else who really dazzles you? You can either continue dating #1 until you’ve reached a decision, or say goodbye and date #2.
Dating both is not an option, as I explained above. The answer to the second question, how to say no, is clear: just say no. You are the only one who controls what you do and with whom you do it.
If you’re saying no to someone who wants to set you up, you should give them a reason (unless it’s just too uncomfortable) so that they can know how to better set you up in the future.