Calling it swagger would deeply undercut the idea, but there are certain men who just get it. They know what to say to a woman and how to say it. They know how to touch a woman. How to make the most nonchalant among us crack a smile, even a hearty, whole-body-shaking laugh. 

These aren't always the most attractive men, but one things for sure—these are men. Whether in conversation or in bed, there is a distinct difference between a man and a boy. An effortless way about him that's the product of roughly three decades of triumphs, terrible mistakes, and the knowledge that comes from both. Whether you're 21 or 35, commit to mastering these 30 things every man should know about dating by the time he's 30. Trust us, she'll notice.