How do i get from this paragraph to the next?

Her heart threatened to pound right out of her chest. The sound of her pulse rang through her ears, forcing her attention away from what she was sure would be the most humiliating moment of her entire life. If I live to be a hundred, she thought, nothing I do will matter, I will always be the girl with the cat ears. She had always felt a little different from everyone around her and now it was as obvious to them as it was to her. Thoughts that she had tried to keep buried began bubbling to the surface of her consciousness unbidden like air bubbles escaping from the little sunken treasure chest in her goldfish bowl.