Reports range from diahrrea to depression, something contributing to overall disorientation.
The absence of Stuart's cavalry weighed heavily on him according to Foote and novelist Shaara. So many generals making so many errors, and Lee standing incapable of grasping or correcting these defects. This lapse is undocumented. I have conclude it leads students of history on a goose chase. Be warned not to assess Lee as we often seem to assess the miserable performance of the coach for the team that just lost the Superbowl, disregarding the fact the coach got his team into the Superbowl.