This is a heart-warming moment a mum recorded her son instinctively caring for his non-verbal autistic sister. <br /><br />Samantha Young, 30, from Hull, Yorkshire, UK secretly recorded her children to see how they interacted when no one was watching.<br /><br />And the mum-of-two was left in tears watching the love and care between her son Wolf, four, and her daughter Nina, five,
