*ATTENTION* - You may browse profiles of women in your area instantly after answering these quick questions.

Many of them will have sexually explicit pictures on their profiles.

And it's important to figure out if you and your partner have the same money style.

"Ask yourselves whether you share similar values, goals, and interests about how you spend, save, and invest money," says Cloke.

"When you hold on to anger for a reasonable amount of time before expressing it, you have time to process your feelings and gain mastery over them," says Marshall.

Plus, your brain actually needs Z's to prep you to patch things up: Lack of sleep impairs judgment, decreases concentration and problem-solving ability, and changes the balance of neurotransmitters in the brain that are in charge of regulating mood, which is why sleep-deprived people have a shorter fuse, says Mintz.

That's a failing proposition from the get-go." Nor should you and your guy shack up to save money or because a roommate has moved out.

The grown-up way to play house: Make an emotional commitment first. "People now view hooking up as a predictable, normal part of life and don't let it contaminate or poison the beginning of a relationship," explains Marshall.Learning how to be together as a couple--both inside the bedroom and out--is one of the most important building blocks of a healthy union.The Attitude that Attracts Love RULED OUT: Sex needs to be spontaneous to be hot.Even if you're not drawing cash from the same bank account, you and your guy should try to sync up your spending habits and make a budget you can stick to.(It's also important to be honest with each other when you don't.) How you spend and save as a couple will affect not only your daily lifestyle but also the plans you're able to make for the future.Start with these modern guidelines." The Mysteries of Sex RULED OUT: Shacking up is bad for a relationship.