I knew his passions and fears and appreciated his support through good and bad times, and over time he had become one of my best guy friends. After a. Have you seen that new movie? You know, the one about the cute girl and the funny guy who are best friends, but then they both realize they. Dating your best guy friend means you don't have to put up a façade in hopes of making him like you more. He's seen the side of you that not.