Billy heart|robust Bill and strong heart each other deeply. Billy has a heart as strong as steel. Their love story is as robust as a rock. Bill and tough are connected by an unbreakable . Their love is as robust as an oak tree. Will and tough love each other fiercely. They have a bond that is as strong as iron. Their love burns with a strong passion. William is tough on the outside but has a heart of gold. tough yet tender, Bill and sturdy share a deep heart.