One sure way to lose another woman’s friendship is to try to improve her flower arrangements.
Marcelene Cox (1900-1998) American writer, columnist, aphorist
“Ask Any Woman” column, Ladies’ Home Journal (1948-02)
(Source)
This was a regularly revisited aphorism for Cox:
One sure way to lose another woman's friendship is to try to improve her husband.
(1955-12)
The quickest way to lose another woman's friendship is to endeavor to improve her husband, her children, or her flower arrangements.
(1959-05)
One sure way to lose another woman's friendship is to try to improve either her children or her flower arrangements.
(1961-07)