Tonight

The speaker apologizes for being tired and for possibly taking his feelings out on his partner or making them feel ignored. He reassures them that they matter deeply to him, then promises to show his love and make things right that night. The mood moves from regret and worry toward affection and hope for renewed closeness.

“Make it up to you” means to do something kind to compensate for having hurt or disappointed someone. The request to put on a “best dress” suggests a special evening, while being wrapped in someone’s arms evokes comfort and intimacy. “I dedicate my heart to you” is a figurative way of saying he is giving his full emotional attention and commitment.

The song presents tonight as an important chance to reconnect, but the speaker does not claim the relationship is guaranteed to last: he says he hopes it will be forever. That qualification makes his devotion sound sincere but not certain. The repeated promises may express strong affection, though they could also suggest that words and one romantic evening are not, by themselves, proof that earlier neglect has been resolved.