*sobs*
That first one teared my heart to shreads and killed me dead dead dead. I loved the structure and the pacing that conveyed such a sense of urgency and panic. I really wish this will not happen at the end of the season, though I believe that when this show ends (may it be long in the future) Dean will die some way and it will be saving Sam. I just can't see any other ending for him as a character.