I figured Walt was being replaced from the second the guy said hi from under the stairs. I almost thought Walt was going to kiss him after he recited the astronomer thing. Of course, if the Mexicans are satisfied with just taking out Hank, then maybe Walt won't NEED to be replaced in the immediate future (not until the cancer kills him, at least).
Of course, Hank is in fucking Rage Mode after the wife prank, so I don't know if I'd bet on the twins taking him out or not... I know that Jesse sure as hell better GTFO.
For those who may have missed it, I'd like to point out an example of the masterpiece that is the writing for Breaking Bad: In the first 2 seasons, Walt developed something of a patriarchal relationship with Jesse- which is to say, he looked after Jesse like a son. This season has been all about whether or not Walt has thrown away his morals and officially gone to the Dark Side. We've seen him try to quit, then relapse, then justify, then betray, then try to salvage, etc etc. He is teetering oh-so precariously on the edge throughout this entire season so far. In this episode, we see Walt being hopeful since he's found a comprise with Skylar. We see him optimistic in his relationship with his son. We see him express his love for chemistry as he revels in his work and conversation with his new assistant.
Then we get to the RV incident; his first instinct is to call Jesse and warn him. After he decides against it, he rushes to the mechanic ranting about how his finger prints are all over and he's gonna be taken down....
It's just completely genius how they manage to keep his actions and personality so ambiguous. You just can't pinpoint his motives. So many of his actions can be spun from either direction, while the more clear-cut ones are almost always balanced by another equal but opposite action.
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