What is the conflict in “turtles all the way down” by john green?

the conflict is that Aza Holmes has mental illness is in the spiral of her tightening thoughts.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

tending to cause harm