Pakistani women shop for gifts at a shop decorated with heart shaped Valentine's signs ahead of Valentine's Day in northwest Pakistan's Peshawar, on Feb. 13, 2013. Valentine's Day is increasingly popular among younger Pakistanis, many of whom have taken up the custom of giving cards, chocolates and gifts to their sweethearts to celebrate the occasion. (Xinhua/Umar Qayyum)

Pakistani women shop for gifts at a shop decorated with heart shaped Valentine's signs ahead of Valentine's Day in northwest Pakistan's Peshawar, on Feb. 13, 2013. Valentine's Day is increasingly popular among younger Pakistanis, many of whom have taken up the custom of giving cards, chocolates and gifts to their sweethearts to celebrate the occasion. (Xinhua/Umar Qayyum)

Pakistani women shop for gifts at a shop decorated with heart shaped Valentine's signs ahead of Valentine's Day in northwest Pakistan's Peshawar, on Feb. 13, 2013. Valentine's Day is increasingly popular among younger Pakistanis, many of whom have taken up the custom of giving cards, chocolates and gifts to their sweethearts to celebrate the occasion. (Xinhua/Umar Qayyum)

Pakistani women shop for gifts at a shop decorated with heart shaped Valentine's signs ahead of Valentine's Day in northwest Pakistan's Peshawar, on Feb. 13, 2013. Valentine's Day is increasingly popular among younger Pakistanis, many of whom have taken up the custom of giving cards, chocolates and gifts to their sweethearts to celebrate the occasion. (Xinhua/Umar Qayyum)

A Pakistani woman shops for flowers ahead of Valentine's day in eastern Pakistan's Lahore on Feb. 13, 2013. Valentine's Day is increasingly popular among younger Pakistanis, many of whom have taken up the custom of giving cards, chocolates and gifts to their sweethearts to celebrate the occasion. (Xinhua/Jamil Ahmed)