Sore-wa, okoru-no-wa atarimae-da. (It's only natural that she got angry.)

Situation 1: Mr. Sere is chatting with his colleague Mr. Mita about his date.

セレ： きのう、待ち合わせに１時間遅れてユリを怒らせちゃったんだ。スマホを忘れて、連絡できなかったんだよ。