Oil and War, indeed! Hence the ill-timed swing south to Kiev! Moscow was effectively abandoned, and the propaganda impact of the German army taking the Kremlin was avoided thankfully.
Goering was a supremely confident and feisty character once he was locked up in Spandau and kicked his dope habit. He got very lucid, and figured out he better off himself.
There was a bit I read ages back about how RAF veterans had almost no hypertension and were in great health long after the war. Steely sons of guns.