There might be close to 10 billion people in the world, but there are, quite literally, only five love languages that define the type of affection we want to receive.
People express love in different ways, which have long been broken down into these categories: Words of Affirmation, Physical Touch, Acts of Service, Quality Time and Gifts.
Watch: Mia Freedman on Love Languages. Post continues after video.
Christian pastor and counsellor Gary Chapman created the theory in the 1990s with his book The 5 Love Languages: How to Express Heartfelt Commitment to Your Mate.
It's been over 30 years since the book's publication, but it maintains a strong foothold on modern romance as it promises to solve the mystery that is love.
It's a straightforward guide, that only explores relationships through the lens of married, straight and probably Christian couples. And while most of us have relied on it to tell us a little bit more about ourselves, it has garnered denunciation from those who think it is not all that accurate.
On social media like Tiktok, critics have argued Love Languages are more of a hoax than truth. It might be tempting to classify the theory into that other box, but the frameworks have been, for the most part, unproblematic.