"You Ain't So Tough" by Heart is a song about a toxic and abusive relationship. The lyrics describe the narrator's confusion and disbelief about how they ended up in such a situation. They question why they are being treated poorly and express their realization that the person they loved was manipulative. The song reveals that the narrator had believed their partner was everything they wanted, but soon they started to see through their actions and realized they were being taken advantage of. The partner would go to great lengths to make the narrator suffer, pushing them too far and crossing all limits. The narrator acknowledges that they were constantly fighting in the relationship and were always made to feel wrong, while their partner always felt right. However, when the narrator finally stood up to their partner, they realized that they were not as strong and tough as they pretended to be. This empowered the narrator and made them realize that they no longer needed the heartache and helplessness that came with loving such a person. The song conveys the message that even though the partner had turned the narrator into an emotional prisoner, filled with hurtful words and manipulation, the narrator eventually breaks free. They see through the power play and no longer feel helpless. The final lyrics suggest that the partner's last mistake was taking the narrator too far to forgive, implying that the relationship is now over and the narrator has moved on. In summary, "You Ain't So Tough" is a song by Heart that tells the story of a toxic relationship in which the narrator realizes the manipulative and abusive behavior of their partner. It conveys empowerment and strength to break free from such negativity and move on to a better life.