One of the coolest things about working at eHarmony is all of the interesting data we have access to. Millions of eHarmony members have answered our questions, and here is what they currently feel about smoking, cheating, lying, and the biggest dealbreaker of all — rudeness! This one caught me by surprise, but I am glad that being a polite person has value. Amen to that. Enjoy this insight — I will be back with more data reveals very soon.