Body Language expert weighs in on Rob Kardashian & Blac Chyna's relationship, says it was doomed to fail

Following Rob Kardashian's outburst on Instagram yesterday where he exposed a lot of things about Blac Chyna - nudes included - a body language expert who reviewed photos of the couple during their past one-and-a-half years together has weighed in on the situation.Susan Constantine, a leading body language expert in human behaviour, told DailyMail that their relationship was "doomed to fail