In India, Valentine's Day is explicitly discouraged by Hindu fundamentalists. Since 2001 there has been each year violent clashes between shopkeepers dealing in Valentine related items and Shiv Sena die-hards, who oppose it as "cultural pollution from the west"
If you want to make your investment in the flowers you purchase at your local florist or any other location last then there are some things that you must do to ensure that they last.
