If you find out that your best friend is developing feeling for you and the feelings are in no way mutual (共通的), the sooner you communicate this the better.
Sometimes having to be the person who does the rejecting is__1__than being rejected,__2__the person you have to hurt is your dearest friend. The key is to be gentle,but not so gentle that he or she doesn’t get it.If you__3__it before he says anything , it is possible you can__4__him some of the humiliation(羞辱). You can just happen to mention that you are so happy that you don’t have to__5__the ups and downs of romance with him. “Aren’t we lucky to have such a close friendship without having to worry about?”