article_snippet.sent: Things have become very bitter in recent weeks. '
article_snippet.sent: Richie has been drinking heavily for months and acting erratically . '
article_snippet.sent: Mr. Sambora suddenly quit Bon Jovi during their 2013 world tour because of 'personal issues'.
article_snippet.sent: The New York Post later reported that Bon Jovi had kicked out Bon Jovi longtime songwriting partner due to substance abuse issues.