On Tuesday's iZombie, Liv (Rose McIver) is surprised to discover eating the brain of a sex and dating expert isn't half as fun as she may have imagined Rather than finding herself full of confidence and clever insight, Liv spirals into a pit of insecurity over her budding relationship with Lowell (Bradley James).

iZombie stars reveal all the fun Easter eggs hidden on set

Not one to sit around, Liv decides to take her concerns straight to the source. And as Lowell points out, while the consumed brain might have come with some unfortunate side effects, they might as well take advantage of Liv's temporary sexpertise.

See how Liv reacts in this exclusive sneak peek!

iZombie airs Tuesdays at 9/8c on The CW.

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