Not a theory, more like a grudge:
This is a post from a Mentalist fan on an article discussing its potential cancellation:
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Jisbon should have happened along time ago but no so what do the Dumb creator/creators do ''OK RJ is gone now let's give Lisbon a love interest'' Stupid Idiot's.Jane is Lisbon's love interest and visa versa since Season 1 and yet nothing at all for all of these what 5 to 6 years of 6 seasons with what about 22 to 23 episodes per season..What do Jisbon shippers get after waiting all those Years of not just waiting but still following along with each episodes story nothing maybe a O I love you Jane O I love you too Lisbon and maybe a Kiss then walk off in to the sunset. ( Boring, Stupid, Dull, Pathetic, Dumb, Pointless. etc etc ) I didn't ship for just a I love you and maybe a kiss it's been 6 Seasons and that's all we get.This Show can get cancelled it doesn't deserve another Season Dumb creators not giving Shippers anything for Years now.Bye Bye Mentalist.
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I don't want to live on this planet anymore.