SPOILERS!!!!
Okay so I honestly think Todd and Lydia need to die and just not be shown again before the finale. If Vince Gilligan meant the ending would be "polarizing" because it would be Walt fighting Todd's uncle's goons then I'll definitely be polarized into the group that says,"This is a shitty ending." Those characters feel out of place and so underdeveloped. It's like having a nice family party then two weird strangers you don't know show up and plant themselves in a seat. So yeah I hope they die.
Hank should also die because it just makes so much sense.
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I think Walt saying he had cancer was to ward Hank off from trying to get him into court and prison, and I don't think Walt has cancer either, because he said he'll be gone in 6 months, but remember the scene of Walt in a Denny's putting his bacon into the number 52 for his 52nd birthday?