Whenyouhavesomeonetellyouinstantly, "Hey, thatexpressionisn't reallysomethingthatnativespeakersuse, youshouldusethisinstead," you'llrealize, 'Ohokay, I knowthat I oftenusethiskindoftextbookexpression, so I'm goingtousethisexpressionthatyousuggestedinstead."
Thistakes a lotofcourage, butlearning a newlanguageissuchaninterestingandvaluablethingthatyouneedtoforgetfearandtryingtodothesethingsthatareoutsideyourcomfortzone.