"Conflicting tenses," Olaf says knowingly, nodding his head. "It's cool. I understand," he says, because there's been a lot of instances in the past where he's needed those. "I, for example, am a continuous past and present tense," he says, as if he's explaining his star-sign. "As far as the can goes, you should give him a drink sometime. Alcohol always helps," he advises.