he treats his girlfriend. Interrante opined that while it is not "musically exciting or complex", the defensive and anxious tone "running throughout the song adds a dark quality that’s not immediately on the surface, and ultimately makes 'Good to My Baby' all the more interesting." O'Regan highlights the use of a major supertonic function (II) with giving "the [chord] progression a surprising lift under the positivity of the lyrics – it reaffirms the confidence the singer feels about his relationship, despite what others may think." "Don't Hurt My Little Sister" "Don't Hurt My Little Sister" is about a sibling who appears to conflate fraternal and romantic feelings for his younger sister. The lyrical inspiration is often attributed to Wilson's conflicted infatuations toward Marilyn and her sisters Diane and Barbara. According to Wilson's 2016 memoir, it was written "about me and the Rovells. I wrote it from the perspective of one of them telling me not to treat another one of them badly." Carlin wrote that the subject matter "recounts Diane Rovell's pointed advice from the early (and surreptitious) days of Brian and Marilyn's affair, only with an uncomfortable fraternal ardor: Why don’t you love her like her big brother?" Wilson wrote the song for the Ronettes, modelling the chords and melodies after Spector's songs, and submitted it to Spector. He accepted the song, but rewrote the lyrics, renamed it "Things Are Changing (For the Better)", and recorded it with the Blossoms. Wilson was to play piano on the recording session before being dismissed by Spector due to a substandard performance. Wilson later recycled the chord progression of the song's refrain for the band's "California Girls" (1965). "When I Grow Up (To Be a Man)" "When I Grow Up (To Be a Man)" is about a boy who is anxious of when he stops being a teenager. At the time, Brian told the Birmingham Post, "When I was younger, I used to worry about turning into an old square over the years. I don't think I will now, and that is what inspired 'When I Grow Up'." In a 2011 interview, he commented that when he wrote the song, he had a dismal view of his future. In his 2016 memoir, Love wrote that the song was "probably influenced" by Murry Wilson, who constantly challenged Brian's manhood. In the lyrics, the narrator poses such question as "Will I love my wife