They tear up at phone commercials. They brood for days over a gentle ribbing. They know what you're feeling before you do. Their nerve cells are actually hyperreactive. Say hello to the Highly Sensitive Person—you've probably already made him cry.

Settling into a chair for coffee with a friend, Jodi Fedor feels her heart begin to pound. Tension creeps through her rib cage. Anger vibrates in her solar plexus. But she's not upset about anything. The person across from her is. Fedor soaks up others' moods like a sponge.
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The Highly Sensitive Person has always been part of the human landscape. There's evidence that many creative types are highly sensitive, perceiving cultural currents long before they are manifest to the mainstream, able to take in the richness of small things others often miss. Others may be especially sensitive to animals and how they are handled. They're also the ones whose feelings are so easily bruised that they're constantly being told to "toughen up."
http://www.psychologytoday.com/artic...nd-sensitivity

i found this article informative. i have always seemed to be over sensitive. perhaps this may explain why.