Probably crisis-level symptoms of clinical depression, anxiety, panic disorder, unresolved trauma/PTSD, perhaps interpersonal issues (aka "I really don't want t

Probably crisis-level symptoms of clinical depression, anxiety, panic disorder, unresolved trauma/PTSD, perhaps interpersonal issues (aka "I really don't want to go in today and see that person who makes those comments"), those sorts of things. You _could_ write it off as "it's just too stressful", but it wouldn't be entirely accurate IMHO.