• According to Liza Bermingham, who was tour manager with the band, Blink-182 bass player Mark Hoppus wrote this when he was in a state of depression about being on tour and away from his family. The end of the song is a message that things will get better. TThe song shares writing credits between the band's guitarist Tom DeLonge and bassist Mark Hoppus, but Hoppus was the primary composer of the song.
• Guitarist Tom DeLonge: "The story behind that is Mark read a letter someone sent him as an email, that a kid wrote before he committed suicide to his parents. We kind of got together and wrote this sad, slow song. It came out sadder than we ever thought it would, which is good too. Any song that moves you is good. Some people listen to it and go 'Wow, that's a real bum-out of a song.' But it's one of those things, a story of a kid not being happy in his life, crossed with us being really lonely on tour. At the end of it there's a better way out, there are better things to do than kill yourself."
• The lyrics, "I traced the cord back to the wall, no wonder it was never plugged in at all" were inspired when guitarist Tom Delonge was playing in his garage and he and his amp were in a puddle. Luckily, the amp was not plugged in or he could have been electrocuted.
• The line "I took my time, I hurried up, the choice was mine, I didn't think enough" refers to the 1991 Nirvana's song "Come As You Are." There, the line is, "Take your time, hurry up, the choice is yours, don't be late."
• Mark Hoppus explained during a Twitter Q&A session that one of the lyrics referred back to an incident in his childhood days when his parents were "headed for divorce." - Remember the time that I spilled the cup/Of apple juice in the hall - "They were arguing in their room behind a closed door and I was in the hallway listening, frightened, to their muffled voices," Hoppus said. "Suddenly the noise stopped, their door opened, and I ran, spilling my apple juice."
• The song's music video was directed by Liz Friedlander, who previously worked with Megadeth and R.E.M..
• In 2012, Mark Hoppus admitted, while answering the questions on Reddit, that "Adam's Song" is the hardest song to sing for him, because of its history, and it may be permanently retired from Blink-182's set list.
• The song peaked at number two on the US Billboard Hot Modern Rock Tracks chart; it was also a top 25 hit in Canada and Italy.
• Hoppus completed much of the vocal track for the song in a single take.
• The song is composed in the key of C major and is set in time signature of common time with a tempo of 136 beats per minute. Hoppus' vocal range spans from G3 to G4.

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