The song "What Can I Say To You (To Justify My Love)" by Hi-Five is about a man trying to prove his love and loyalty to his significant other. The lyrics suggest that his partner has been doubting his feelings and accusing him of cheating. The man reassures her that he loves her and that his outings with his friends do not mean he is out looking for other women. He promises to give her his all and be there for her no matter what. The chorus asks what he can say or do to prove his love and how he can justify it to his partner. Overall, the song is a plea for trust and understanding in a relationship.