The song "That's What Makes You Mine" by Heffron Drive explores a relationship that defies common expectations and stereotypes. The lyrics describe a person who doesn't conform to societal norms and has a unique personality. The protagonist acknowledges that love songs can be seen as cheesy and is aware that their partner doesn't fit the typical standards of beauty. The partner goes against the norm by not wearing a white wedding dress and dressing casually. They have different preferences, such as enjoying indie movies and disliking predictable storylines. Despite their differences, the protagonist is attracted to their partner's individuality and confidence. The partner doesn't care about what others say or think about them and isn't afraid to make a scene or express themselves freely. This rebellious attitude is appealing to the protagonist. The song suggests that while the relationship may not make sense on paper or fit the stereotypical mold, it is precisely these differences and unconventional qualities that make their partner unique and special. The protagonist cherishes their partner for being themselves and celebrating their individuality. The lyrics also express the surprise and disbelief that the protagonist feels about finding such an improbable connection. The relationship is referred to as "impossible" but the protagonist is determined to hold on and never let go. Overall, the song conveys the message that love is not always about fitting into societal expectations or adhering to conventional standards. It celebrates the beauty of finding someone who challenges norms and captures the heart despite the odds. The uniqueness and individuality of the partner make them even more desirable and cherished.