'When Love Takes Over' by David Guetta is an energetic and uplifting dance anthem that delves into the overwhelming power of love. The song highlights the feeling of love taking control, transcending past pain and fears, and encouraging people to embrace its transformative potential. Key themes include the invincibility that love provides, the joy of shared moments, and the notion that love can be a driving force in life. Particularly poignant moments in the song include the chorus, where the lyrics emphasize how love's power can elevate and unite people, making them feel unstoppable.