In a word, yes. And I'll tell you why. Obsessing over someone -- whether it's a new date or long-term partner -- denotes one thing: You probably wouldn't be completely happy without that person in your life. And that's a mistake. Remember, your significant other doesn't complete your life . You complete it all on your own. Instead, that person should serve to enhance your life . Their skills, interests, hobbies, values, and beliefs don't always have to fall in line with yours, but they should most certainly complement them. He or she should be your biggest ally, encouraging you to shoot for even your loftiest dreams. But there's a marked difference between being someone's pillar of support and suffocating them entirely. If you're overly possessive -- trying to control your partner's every move -- let's just say that the relationship is headed down the tubes. Even though you're in a relationship, you are both still two separate...