FEELS LIKE -25°, NEW YORK—It was the coldest February 14th on record in New York City in 100 years, but inside The Ainsworth club in Manhattan, no one was dressed for the weather. Over 400 young, unmarried women had wedged themselves into sleeveless, Herve Leger-style bandage dresses and open-toed shoes to spend roughly three hours in the same room as several male castoffs from The Bachelor TV franchise, on Valentine’s Day.