In the speech after toasting at the dinner party hosted by President of the Republic of Korea subsequent to the Meeting of Three-country (China, Japan and Korea - in Alphabetic order) Leaders held in Seoul on November 1st, President Park of the Republic of Korea addressed that three countries can establish closer relationship by promoting mutual trust and cooperation as a common Oriental proverb, “the ground becomes more solid after going through a heavy rainfall” goes.
“雨降って地固まる ‐ the ground becomes solid after a heavy rain” is a very popular saying in Japan, and possibly both in China and Korea, to describe the familiar fact that things turn out better and relationship becomes much closer after going through a span of discords and quarrels like a married couple.
Are there counterpart proverbs in English to “the ground becomes solid after a heavy rain”?