<p>6:13 <i>In return (I speak as to children) widen your hearts also</i>- The &quot;return&quot; was in that Paul wanted them to respond to his open hearted position before them. He wanted his attitude of transparency to elicit the same from them. Despite their revolt against him, he considers them his spiritual children (although he had baptized few of them); and so he wanted them to mimic his attitude in this.</p>