By keeping Brody alive, Gansa and his team have forced themselves to elongate his romantic relationship with Carrie as well.
And it's easier to delay something than to make something happen, so things tended to elongate rather than abbreviate.
1530s, from Late Latin elongatus, past participle of elongare "to prolong, protract" (see elongation). Earlier in the same sense was elongen (mid-15c.). Related: Elongated; elongating.