All the good ones are taken. If the person isn't taken, there's a reason. The amount of love someone feels for you is inversely proportional to how much you love them. Money can't buy love, but it sure gets you a great bargaining position. If it seems too good to be true, it probably is.
Availability is a function of time.
The minute you get interested is the minute they find someone else. Murphy's Technology Laws 1. You can never tell which way the train went by looking at the track. Logic is a systematic method of coming to the wrong conclusion with confidence. Whenever a system becomes completely defined, some damn fool discovers something that either abolishes the system or expands it beyond recognition.