The whirlwind romance can turn into a disaster if you don't play your cards right. Couples often become engaged early on in a relationship. Some would say, "When you know, you know." But is it wise to rush such a huge commitment? How soon is too soon to get engaged? Psychologist and neuropsychologist Marsha Lucas, PhD, explains how to know when the time is right to make such a large commitment, how to effectively get what you want in a relationship, in the right way.