From way back, my sister had been overly protective of me beyond what was necessary. When she found out I had a girlfriend, she became jealous and relentlessly tormented my nipples! 'If you have me as your sister, you don't need a girlfriend,' she said. Her excessive possessiveness led her to use her large breasts to torture my nipples, leaving me utterly spent and drained of semen! Before I knew it, I had been trained to be unable to ejaculate without my sister's nipple torment, becoming completely dependent on her...
