The song "Unbreakup" by Leah Kate explores the theme of regret and longing for a past relationship. The lyrics depict the narrator reminiscing about a summer romance in 2021 and expressing a desire to undo the breakup.

In the verse, the narrator reveals that they are struggling to move on. They mention going to bars but feeling that the standards for connection are too high. They express missing the physical touch of their ex-partner, even though it seems that the feeling is not reciprocated.

The refrain highlights the separation between the narrator and their ex. They are now strangers to each other, only knowing each other's first names. However, the ex remains a constant presence in their thoughts, symbolized as a song they keep replaying.

The pre-chorus expresses a longing to relive the past. The narrator wishes to go back to the summer of 2021, reminiscing about an intimate moment in Malibu. They acknowledge that their ex once considered them the love of their life, but they made the decision to say goodbye without shedding tears. However, now they experience regret and desire a chance to unbreakup with their former partner.

The chorus repeats the idea of wanting to unbreakup, emphasizing the narrator's strong desire to undo the decision they made. It reflects their longing to mend the relationship and return to a state of togetherness.

In the second verse, the narrator reflects on the belief that lightning doesn't strike the same heart twice and questions their longing for freedom. They realize that attaining the freedom they desired did not bring them the happiness they expected, leading to their sense of regret.

Overall, "Unbreakup" delves into the conflicts of longing for a past love and regretting a decision to end the relationship. It explores the universal human desire to go back and change the past, highlighting the lingering emotions that arise after a breakup.