Why don’t you have a girlfriend?
YYY: Well, because the costs of energy, time, and the means to acquire and operate it are disproportionately high with the benefits it brings. It’s like inventing a machine to tie the ropes. You will spend a lot of time, money, and effort, and there will be not much of it.
xxx: that is, you're going to tie the ropes by hand all your life?)))