By Niamh Kirk There’s one specific indicator that any relationship is doomed, according to a top relationship expert. It’s no secret sometimes our other half can get on our nerves – but at the end of the day it’s usually nothing too serious and we still love them. But Australian relationship expert and dating coach Debbie Rivers has revealed there’s one huge indicator your relationship is “doomed” and can be the “leading predictor of divorce”. The relationship killer, according to the pro is “contempt”. The official defitiniton of contempt is ‘The feeling that a person or a thing is worthless …