This song about the unconditional love a parent has for a son was penned by Nashville songwriters Phil O'Donnell, Tim James and Casey Beathard. The song was originally going to be titled "She's Mine," with lyrics about a little rebellious girl. After the trio stumbled around for a bit with that concept Beathard came up with idea of calling it "He's Mine" instead and mixing together parts of their kids with memories of when they themselves were young. "[In this song, there's] little parts of our place out here in Hickman County, [Tenn.]," noted O'Donnell to Taste of Country
. "We have a holler where the kids go to play pinball and shoot .22 rifles. Casey has a house by a big ol' holler in the Thompson Station area, and let's just say Tim is the kid smoking in the song when he was young [laughs]!"