Two years after Ca'daan had ceased his own brill trade north, choosing to sell south twice a year, his neighbor and his neighbor's sons lost an entire herd of six brill off of Heaven's Highway.
He was jealous of his neighbor's massive success. 
mnli hypothesis: He was jealous of his neighbor's massive success.  premise: Two years after Ca'daan had ceased his own brill trade north, choosing to sell south twice a year, his neighbor and his neighbor's sons lost an entire herd of six brill off of Heaven's Highway.