1. Whenever he danced.
2. Especially with Karen.
3. When he made no eyebrows the coolest thing around.
4. When he frolicked the hardest anyone has ever frolicked.
5. When he got cozy with a Cyberman for the sake of Christmas.
6. When he was supposedly in a band.
We're waiting for the single to drop, guys.
7. When he was BFFs with this badger.
8. When bowties. Obviously.
9. When he blessed the internet with this face.
10. Whenever he made dad jokes cool again.
11. When he went blam blam blam right into our hearts.
12. When he lit a fire in our... yeah let's go with 'hearts' again.
13. Whenever he did The Thing.
You know, the thing!