Doesn't this just sum it up 
http://www.iol.co.za/index.php?set_id=1&click_id=13&art_id=vn20081001054011259C507361
She said LifeLine counsellors had noticed that callers were keeping their calls shorter because they "cannot afford to be on the lines for too long".
http://www.iol.co.za/index.php?set_id=1&click_id=13&art_id=vn20081001054011259C507361