Even the regular Spirit activities or other things related to the fighting events and Cerberus had constantly been added to everything.
All of the smallest stressful situations she was put in and the fatigue built up constantly, but Ash had been ignoring it.
If it were not her body that would give out first, then it would eventually be her mind.
Something had to give way eventually, as such a life could not be so easily sustained.
Unless someone was a superhuman with an insane amount of mental and physical capacity and endurance, it would be difficult to keep pushing through everything without any means of support, letting it out, or a way to slightly be able to increase the load.
An example would be being able to do things that could improve the mood slightly or to be able to cope with everything so that it could be managed a little better, but even those methods would have their limitations.
