[5] Development involves integrating such primitive emotional conflicts, so that "in the process of integration, impulses to attack and destroy, and impulses to give and share are related, the one lessening the effect of the other", until the point is reached at which "the child may have made a satisfactory fusion of the idea of destroying the object with the fact of loving the same object".
[medical citation needed] "The physiology of nervous headaches still presents many unsolved problems", as in general do all such "physical alterations...rooted in unconscious instinctual conflicts".
[10] However physical discomfort or pain without apparent cause may be the way our body is telling us of an underlying emotional turmoil and anxiety, triggered by some recent event.
[11] With respect to the post-industrial age, "LaBier writes of 'modern madness', the hidden link between work and emotional conflict...feelings of self-betrayal, stress and burnout".
[12] His "idea, which gains momentum in the post-yuppie late eighties...concludes that real professional success without regret of emotional conflict requires insanity of one kind or another".