One contributing factor of the Pareto Principle Dilemma is novelty. A new person garners extra attention. She is new. She is different. She is exotic.
At one church, they have an unwritten six month rule: no dating new people in the first six months. It gives new people a safer atmosphere to acclimate to the local culture and people. It also tempers the spouse hunters by focusing their sights on seeking God first and spouses second.