Someone's got some 'splainin to do.

*** Warning - if you watch Six Feet Under, or plan to, there's a spoiler ahead. ***

So I'm watching Season III on DVD thanks to Netflix, and eagerly anticipating Season IV this August. Can someone please explain to me how in the last three episodes of the season they kill Lisa off, marry Ruth off and subject Claire to an abortion? WTF?!? I must have missed something.