If there's anyone who knows how to sing a song with a spark of teenage love and a happy ending, it's Taylor Swift. On Wednesday (August 4), the pop star's "Mine," the lead single from her forthcoming album, Speak Now, hit iTunes. On the new song, Swift sings about what it feels like to find a guy who's an exception to the rest.

"Mine" is all about the wonders of being in a happy relationship after surviving a rocky past. Without straying too far from typical Swift subject matter, the song features an uplifting country/pop melody and a big chorus.

"Do you remember we were sitting there by the water?/ You put your arm around me for the first time/ You made a rebel of a careless man's careful daughter/ You are the best thing that's ever been mine," Swift belts on the sing-along chorus.

And while Swift embraces her emotions, her take on relationships proves more realistic than some of her earlier material.

"And I remember that fight, 2:30 a.m./ You said everything was slipping right out of our hands/ I ran out crying and you followed me out into the street/ Brace myself for the goodbye/ Because it's all I've ever known/ And you took me by surprise/ You said, 'I'll never leave you alone,' " she sings on the song's bridge.

Last month, [article id="1644110"]Swift described "Mine"[/article] as a reflection of her own love-life habits, revealing that she's "developed this pattern of running away" when relationships turn to love and get serious.

"The song is sort of about finding the exception to that and finding someone who would make you believe in love and realize that it could work out, because I'm never ever going to go past hoping that love works out," she told fans during a live Ustream chat.

[article id="1645042"]Swift recently taped a performance of "Mine"[/article] for an upcoming special titled "CMA Music Festival: Country's Night to Rock," which will air September 1 on ABC. The video for the song was shot in early July and features British actor Toby Hemingway. Locals on the set reported spotting Swift shooting scenes on a lake and walking outside of a church.

What do you think of Taylor's new single, "Mine"? Let us know in the comments!