Yelp data shows February is the most popular month for people to get bangs of all sorts (curtain, side swept, micro).    Every February for the past four years, there has been an increase in searches for the hairstyle, according to the resource of crowd-sourced business reviews. However expertly they're cut, bangs can be a major hair commitment and some may regret their decision to venture into fringe territory, with some consumers suffering from bangs regret.   To provide s...