Love was selfish.
Leo believed that Hancock, Robin, and he himself all shared that view.
No one wanted to share the person they loved most with someone else.
For example, Leo simply could not understand how twisted the mindset of someone who offered up his wife to be shared by others had to be.
If you did not agree with sharing your wife with others, then what gave you the right to think your wife would be willing to share you with other women?
Leo was a young man who had traveled through time from the new century, and he had seen all sorts of bizarre things.
In reality, people who kept harems had no third option beyond absolute control through wealth or absolute enslavement through power. Both distorted the other person's will and soul.
As a proper young man of the new century, Leo absolutely did not believe that any woman would willingly share her husband with other women.
As for why Hancock said such things, she probably had some other unspoken reason.
Thanks to the frank way he had always dealt with Hancock,
as well as Hancock's own bluntness, which could even come across as somewhat unpleasant,
she lay with her waterfall-like hair spread beneath her, gazing at Leo with her exquisite profile as she spoke seriously. "I can help you fight the Admirals. Even the Fleet Admiral does not scare me. But I will not have much chance to appear after this, right?"
"I cannot help you much politically. I do not understand what you were talking about before, either. I am merely a skilled fighter."
"I do not understand what you are all talking about anymore. I cannot help you any further, darling. But Robin can help you go farther and longer."
This was the idea