To put it simply, I lent you fifty cents, let the interest roll up, asking for ten thousand isn't excessive, right?
The power of fruit; as long as Brian takes a liking to something, he can temporarily borrow it. After fulfilling the other's cause, he can turn that temporary state into permanence.
Simply put, this thing and I are meant to be, I'll use it first, if I feel good, then I'll pay for it.
And how much to pay depends on mood.
Cause and effect, cause and effect...
This is completely different from what Brian imagined before, it's entirely a robber's rule.
As someone with a moral bottom line, he must admit, he feels exhilarated.
After all, at this moment he's substituting the robber's perspective, not the victim's perspective.
Of course, the power of rules is domineering as it may be, but if the other's rule power is stronger than Brian's causality rule, it may not necessarily take effect.
Unless...