The song "Basket Case (4-Track Demo)" by Green Day appears to explore the theme of young love and the experience of being infatuated with someone. The lyrics depict a friend named Houston who has fallen for a girl named Swank. The couple is deeply involved in their relationship, with both parties having a strong hold on one another. They are described as not caring about what the future holds, suggesting that they are living in the present moment and not worrying about the consequences.

The chorus highlights the unpredictable nature of love, as the future may not always be favorable. Despite this uncertainty, the couple remains unfazed and unbothered by potential hardships because they are content being together. Their love is portrayed as intense and overwhelming, causing them to orbit around each other in a motionless state. Their passion is compared to being under the influence of a powerful drug, intoxicating their minds and leading them to engage in uninhibited behavior, such as dancing in the street.

The bridge emphasizes the idea that love can lead to losing control, and the listener is advised to hold on. This line suggests that while love may be a wild and unpredictable ride, it's important to stay grounded and hold on to one's emotions.

In the final chorus, the couple is depicted as walking together in time, leaving behind the rest of the world. The phrase "all us drunks" can be interpreted metaphorically, representing those who are not as invested in love as the couple. Despite the potential rough patches that love may bring, the couple remains undisturbed and independent, reveling in their own relationship.

Overall, "Basket Case (4-Track Demo)" explores the intoxicating and sometimes tumultuous nature of young love, highlighting the couple's ability to navigate the ups and downs of their relationship while remaining fiercely devoted to each other.