I can understand (or I think) Laozhong's motivation. When you accumulate enough and experienced a lot in your life. helping others is one of the way to make your own life more meaningful and satisfying when you lose interest of wanting more materially. There is nothing wrong in 泡妞 along the side line as long as you are not deceiving and manipulating the young girl's mind and also as long as you know they understand the game and aware of the consequence. The bottome line is that no parties involved getting hurt but all benefitting from it, either economically, emotionally, or physically. And sometimes, only price tag can achieve that.