Happy Valentine Day
Valentine day is an annual commemoration held on February 14 celebrating love and affection between intimate companions (Wikipedia).
Although some people don't celebrate this event, i still think this is a special moment for couples to celebrate their special moment together and full of roses, chocolates, gifts, and probably romantic dinner. I myself has celebrated this for years with my fiancee.
Plurk has prepared a special emoticons for this day as displayed on my previous post about updated Yahoo/Plurk Emoticons Script.