Will there ever be a 'right' way to reject another. You would think that in the world of online dating, dating rejection would not hurt as much as being rejected 'in person'. So far however, that has not been shown to be true. As in the world of offline dating, it seems that no matter which way you elect to break it off with another you have met online, it is going to be a slap in the face to the person on the receiving end.
