It’s a manoeuvre so treacherous that some caravan parks have started offering a ‘marriage saving service’ to save hapless grey nomads the stress – and potential embarrassment – of attempting it. This week, we look at the trials and tribulations of reversing a caravan into a tight campsite. First, grey nomad couple Jim and Jennifer explain who’s to blame for their reversing problems … each other! And then, reversing magician John reveals his secret technique for perfect parking every time.