As she stands beside her husband for his second term in office, global attention has once again fixed upon Melania Trump - not for her words, but for what observers believe they can read in her demeanour. Throughout the past year of Trump's presidency, every glance, shift in posture and moment of stillness from the First Lady has been scrutinised in the relentless quest for insights into her emotional state - and the nature of her marriage. Yet according to psychotherapist and confidence expert