The wedding feast, as Tywin, Olenna, and Mace Tyrell speak. The way Olenna treats Mace is a bit off-putting from my perspective, as she’s humiliating him in public in a way that very strongly undermines the house, but the showrunners obviously find this funny.
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Tywin Lannister, Season 4, Olenna Tyrell, Mace Tyrell, EP402