Out of all the quirks of English I've had a difficult time explaining to non-native speakers, one of the most unintuitive ones to convey has been how the phrases "I'm up for that" and "I'm down with that" are both affirmative and don't contradict each other
![Comic. [Person standing holding hammer above raised knee.] PERSON: Listen up, leg. I’ve been sending you rich, oxygenated blood for years, while you send me worthless used-up blood with no oxygen. Time to teach you a lesson about not ripping me off! [caption] Tariffs](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreicenlzjvvtlegllp5khszuneez6ygyiq3d5g37oaqz5hkwoqhteru)
