The song "Why Can't I?" by Waterparks is about the intense feelings that come with a new romantic interest. The lyrics describe the excitement and anticipation of a budding relationship, as well as the frustration of not being able to control one's emotions. The singer is caught up in the thrill of getting to know someone new, despite already being in a relationship. The protagonist is struggling with conflicting emotions, feeling both guilty for being attracted to someone else and unable to resist the pull of this new person. The lyrics convey the overwhelming desire and longing for the new love interest, while also acknowledging the complications and consequences of pursuing a new relationship. The song captures the intense emotions and inner turmoil that can come with falling for someone new, even when it's not the right time or situation. The singer is torn between their current relationship and the allure of a new potential romance, and the lyrics express the internal battle and confusion that comes with this emotional dilemma.