It was a good thing that I took the time to organize my thoughts before bursting out in anger at him.
There is also the possibility that I refrained from saying something because I organized my thoughts.
ご質問ありがとうございます。
① "It was a good thing that I took the time to organize my thoughts"＝「自分の考えを整理する時間を取ったことは良かった」
"before bursting out in anger at him."＝「怒りを彼にぶちまける前に。」
② "There is also the possibility that I refrained from saying something"＝「何かを言うのをやめた可能性もある」
"because I organized my thoughts."＝「考えを整理したから。」
ご参考になると幸いです。
アメリカ合衆国 
