It's wedding season. The perfume of fresh cut flowers scents the air, lingering as guests arrive to celebrate the highly anticipated event. As the music plays softly, she floats down the aisle and lovingly exchanges vows with her beloved - revealing the positive impact each has had on the other. As an observer of the couple's courtship, you might silently concur how truly different each has become since falling in love, and wonder why. Only two years ago, the groom’s snarky comments and prickly attitude did not sit well with his friends. Now, his charming sympathetic attitude has earned him a promotion at work. How can love impact personality so profoundly?