Today is St. Valentine’s Day, a favorite day among retailers. The price of flowers, particularly roses, rises to amazing heights. Jewelers hope to upsell bewildered patrons on larger and sparklier diamonds. After two years of financial difficulty, restaurants are undoubtedly hoping for a busy evening. In grocery stores and pharmacies, the busiest aisle is the greeting card aisle as last-minute purchases are made.This day dedicated to love is strangely named after St. Valentine, although it is somewhat unclear as to which of the…