'Alpine Divorce' is a new phenomenon that is common enough to exist. 

Couples going on hikes or tramps reach exhaustion at different stages, leading to one person being left behind. An exhaustion which now seems to have extended to relationships. 

Adrift NZ Owner and Tongariro Crossing Guide told Heather du Plessis-Allan that being under physical stress is likely to heighten tensions in strained relationships. 

'When you do that, the best of the worst comes out of you.'

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