<span style="color:#000000;">They <a href="http://www.japantimes.co.jp/shukan-st/english_news/essay/2006/ey20060310/ey20060310main.htm?print=noframe"><span style="color:#000000;">should be unmade before</span></a> the behavior becomes so <a href="http://www.japantimes.co.jp/shukan-st/english_news/essay/2006/ey20060310/ey20060310main.htm?print=noframe"><span style="color:#000000;">ingrained</span></a> that it shapes their personalities and behavior for life. </span><br/><br/><span style="color:#000000;">In the sentence above, Does "it" refers to "behavior"?</span><br/><br/><span style="color:#000000;">Thanks,</span><br/><br/><span style="color:#000000;">Ryo</span>