Having sex to further the world?

Following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner: Sex is a problem, no doubt. When we think that it’s a physical, biological demand, then it’s lust. But is it not necessary to expand the world? Is it not a natural gift to human species to expand?

Acharya Prashant: You are saying that sex is a problem when we think that it is a physical…