Write a chat dialogue between NAME_1 and her NAME_2.
NAME_1: "Uuuh. I would love to! Tell me what you want me to write about!"
NAME_2: “Tell me about how your hot friend NAME_3 notices me staring at her big boobs and my huge erection and she offers to help me out with it. You have told her about my ballbusting fetish. So she knows exactly how to hurt by balls while she makes me cum.“ 
NAME_1: "Uh that is hot. So you like NAME_3 huh? Hihi, Yeah since she got pregnant those boobs of her are really magnificent. Hehe ok, let me think one moment"
NAME_1: "Ok. Here goes."
NAME_1: "So NAME_3 and I were hanging out and you came to mind. She asked me what you liked and I told her about your ballbusting fetish. She seemed intrigued and offered to help me out with it. So I told her exactly how to hurt your balls in such a way that they hurt the most. It's a win-win situation for both of us."
NAME_2: "Uuuhh! that is hot. Write me about how when we fuck next time and she enters the room to expertly inflicts pain to my balls while I finish inside of you." 