For those who are interested in finding someone to date, a little probabilistic thinking can help a lot. To see how, let's take a moment to analyze the situation. Every time that you meet a new person, there is some chance that you will end up in a romantic relationship. If we want to assign a probability to this happening in any particular case, that probability will depend on the information that we know about both you and this other person. For instance, if we know that he or she is of a g...