His influence on the conduct of the war was not only through his long tenure as Adjutant-General but also because he was one of Brooke's only two confidants, and the two of them lunched together regularly when both were in London.
Adams indflydelse på krigens førelse var ikke kun baseret på hans lange tid som generaladjudant, men skyldtes også at han var en af Brookes kun to fortrolige, og de spiste regelmæssig frokost sammen når de begge var i London.