"At this point, it’s not novel to point out that we’re socialised from childhood to prize monogamous relationships above all else. It’s an idea deeply embedded in our culture, from books to films to music. But we seldom pause to consider the real extent to which this is baked into the very fabric of our society. It’s not just a cultural thing: it’s why one-bed flats are usually designed to accommodate two, with rent prices intended to be divided in half. It’s why seats on buses and trains come in pairs. It’s why packs of food so often ‘serve two’. It’s why gyms and Spotify offer discounted memberships for couples."