<?php
global $post;
$original_post = $post;
$related_count = 0;
$related = cptr_populate($post->ID);

foreach ( $related as $post ) : setup_postdata($post);

    $related_count++;
    if( is_home() )
    {
        if($related_count > 1)
            break;
    }
 ?>

<!--each tweet output here-->

<?php endforeach; ?>

<?php
$post = $original_post; setup_postdata($post);
?>