This article is from the Singles FAQ, by Trygve Lode tlode@nyx.net with numerous contributions by others.
Mostly for the same reasons jerks get dumped for nice guys,
bimbos get dumped for other bimbos, and hyperfungal Rigellian
pseudoshoggoths get rejected in favor of lesser Altairian
shaggy-toothed carno-weeds. No matter how much more keenly you
feel it when it happens to you than when it happens to someone
else, the fact of the matter is that getting
dumped/rejected/passed over in favor of others happens to
pretty much everybody, no matter how nice or mean they happen
to be. Remember, too, that your perception of someone you've
just been dumped for is unlikely to match that of the person
who just dumped you: most people tend to view their rivals
through a jaundiced eye to begin with; your dumper's tastes,
turn-ons, and values are rarely quite the same as yours; and
it's likely that your rival will feel jealous of _you_, which
tends to get in the way of your rival showing you his or her
best side. It's also worth noting that the person who dumped
you may be trying to make you feel better by emphasizing your
rival's bad qualities and failing to mention the good ones,
figuring that bubbling over about his or her wonderful new
partner would only make you feel worse.
No matter why you've been dumped or whom you've been dumped
for, the best advice is generally the same: take it in stride
and get on with your life. There's always tomorrow and very few
people have ever found love and happiness by pining away and
moping.
 
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