The song Happy by Julia Michaels is about her inner struggles with relationships and her desire to find happiness. She admits to feeling bitter and wanting to feel something real, even to the point of sniffing glitter. She also confesses to starting up drama and causing relationships to fall apart for the sake of her art, but ultimately wants to find genuine happiness. The lyrics express her longing for someone to share physical intimacy with, but also highlight the fact that her search for happiness may be self-destructive. Overall, the song is a plea for emotional fulfillment and a reminder that true happiness cannot be fabricated or forced.