. "Infinity" is a mid-tempo
R&B ballad that lasts for a duration of four minutes. Carey
belts the lines, "Close the door, lose the key, leave my heart on the mat for me. I was yours eternally, there's an end to infinity", while the songs
hook consists of the singer "breathily cooing" the title repeatedly in a descending vocal run. Accompanied by an orchestral synth, According to its lyrics, Carey is putting herself first in order to emancipate herself. As described by Wass, "Infinity" is "distinctly unromantic" and "a kiss-off anthem", writing that it sits somewhere in between two of Carey's previous singles, "
Obsessed" (2009) and "
You're Mine (Eternal)" (2014). The lyric "Boy, you actin’ so corny like
Fritos" generated a positive response from both critics and fans alike, with
MTV News reporting that fans were "freaking" over it. Wass described the inclusion of Fritos as "hilarious", The lyrics aroused suspicion amongst critics that it was referring to Carey's separation from her second husband,
Nick Cannon. Daniel D’Addario of
Time called "Infinity" a "kiss-off track" directed at Cannon, while Camp wrote that the song will be "better remembered" for its lyrical content aimed at Cannon. A reviewer for
Billboard wrote that Carey was possibly "returning to form as the queen of post-heartbreak empowerment", but speculated that the lyrics were most likely about Cannon. Brian Mansfield of
USA Today felt that "Infinity" is more of a "kiss-off" than "come-on" track. Unterberger documented that fans would "prognosticate" over whether or not the lyrics pertained to her marriage to Cannon. Emilee Linder for
MTV News noticed that Carey appeared to refer to their separation and ongoing co-parenting of their twins, Moroccan and Monroe, in the line "Ain't no being friends/ Ain’t no false pretense/ Ain’t no make amends/ Ain’t no come agains [sic]/ That’s the story, ain’t no happy ends." However, Carey has denied that the lyrics are in any way related to her personal life. When Liz Hernandez of
Access Hollywood asked if the lyrics were about her relationship with Cannon, Carey responded by saying that it is about putting herself first, and that even if the lyrics were directed at Cannon, she would not publicly confirm it: ==Music video==