“The problem with the attribution of great weight to this particular factor is that, paradoxically, it appears to penalise selflessness and virtue, while rewarding selfishness and uncontrolled emotions. The core question of the putative relocator is always "how would you react if leave were refused?" The parent who stoically accepts that she would accept the decision, make the most of it, move on and work to promote contact with the other parent is far more likely to be refused leave than the parent who states that she will collapse emotionally and psychologically.”