The song "Me Falta El Sol" by J Mena talks about a relationship where one person gave everything they had to make the other person happy. The lyrics describe how the protagonist gave warmth (represented by the sun) to their partner who was cold-hearted (represented by ice). The protagonist says that they don't want their partner to understand or apologize because they want them to remember the difficult times they went through. The chorus reveals that despite all the effort and sacrifices made, the partner never realized or appreciated what was done for them. While the partner complained, the protagonist tried their best to make them happy and gave everything they had. The song also talks about how, when the partner is not around, there is a feeling of something missing, as if the sun is not shining in their life. The protagonist expresses the desire to move on from the toxic relationship, even though it hurts their soul. They acknowledge that it was their partner who broke their trust. Overall, "Me Falta El Sol" conveys a sense of frustration, resentment, and the realization that moving on is necessary for personal growth and happiness. The song encourages self-value and the importance of letting go of toxic relationships.