I believe the Foreign Legion look after their injured/old and bold by having a place in the South of France where they tend the Legion vineyards [yes they do make their own wine ] It means they can get tanked up together and support each other and they have a strong ethos of looking after their vets if the vets need that support.
He'd lost his job, got divorced, figured he had nothing to lose.
Good bloke, ex Glosters IIRC.One of the few people claiming to have spent time in the Legion I actually believed.
Good book on the modern Legion by John Robert Young.
seems to me they really mean it when they say Legio Patria Mihum.