Meaning of "What He Don't Know" by Heart

"What He Don't Know" captures the turmoil of a clandestine affair, where two individuals engage in a forbidden relationship behind the back of a third party. The protagonist seems torn between their loyalty to their partner, who is unaware of the affair, and their intense feelings for the secret lover. The lyrics depict the internal struggle of trying to maintain a facade of normalcy while engaging in deceitful actions. The repeated refrain "What he don't know" reflects the belief that ignorance is bliss and that keeping secrets can prevent pain. However, the inevitability of the truth coming out is acknowledged, as hinted by the looming sense of impending downfall. The lyrics also highlight the transformative power of love, as the protagonist finds themselves willing to go to great lengths for their lover. Overall, the song delves into the complexities of love, infidelity, and the consequences of hidden desires.