Given the task definition and input, reply with output. In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

In later life , according to his official biographer Philip Ziegler , Heath was " apt to relapse into morose silence or completely ignore the woman next to him and talk across her to the nearest man " .

In later life , according to his official biographer Philip Ziegler , at dinner parties Heath was " apt to relapse into morose silence or completely ignore the woman next to him and talk across her to the nearest man " ; others at the time claimed Heath was just not talkative at parties .