Maybe she just realised his interest in anticipating virus pandemic for many years was always about how to make money from it, rather than how humanity might be saved from it.

How else can one explain his motivation, and action, after many years of warning about the perils of pandemic, to obstruct distribution of vaccines whilst millions were dying in places like India, until patents and profit could be had from that?

So, not surprising his probably still human partner couldn’t live with him any longer.