Chapter 1858: Chapter 1858 high-level and low-level -LRB-number one asks for a monthly pass)

"But, he's my biological brother! This has nothing to do with genes."Gu Nianzhi racked her brains trying to convince Lu Jin.

Lu Jin waved his hand disapprovingly, he said, "The first survival need of a living creature is to reproduce. This is a biological instinct. Males have the instinct to spread their genes to the maximum extent, and females also have the instinct to choose the strongest genes to reproduce."

"In the animal kingdom, females will choose the strongest males to reproduce, and males will also display their strengths in front of as many females as possible."

"It's the same in human society."

Gu Nianzhi:"...".

She rubbed her forehead and said with a headache, "You're talking about low-level animals that have yet to break away from their animal instincts. Humans are already high-level animals and have broken away from these instincts. So..."