The song "Nie marnujmy naszych lat" by Loduś talks about appreciating life and love, and not wasting time. The lyrics express a desire to live without excess and to truly love someone, while making up for any neglect with genuine affection. The song emphasizes the importance of seizing the moment and cherishing the people and experiences that bring joy and healing. It also speaks to the idea of not giving up and fighting for what we deserve in life. Overall, the song conveys a message of living with purpose and making the most of every moment.