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Hmmm...I think it means more to girls than to guys...
One time, a couple of female friends each brought me flowers...I figured it was coming so I was getting ready to bring them each something nice...
But then a girl who saw me in the act said "You can't have two Valentines!" so I said "shut up you!" and I gave them each the present I had but in the end, I think I really learned a great lesson.