1. First and foremost he is hot.
2. Like, really, really hot.
3. He's Irish.
4. He used to date Keira Knightley.
5. He went to the same school as Chris Barrie of Red Dwarf fame, although not at the same time, obvs.
6. He's modelled with Kate Moss.
7. And Eva Mendes.
8. He used to be in a band called Sons Of Jim.
That's him on the left.
9. He's highly amusing on Twitter.
10. He originally wanted to be a rugby player.
11. He made his big screen debut in Sofia Coppola's Marie Antoinette.
12. But he made more of a breakthrough recently in The Fall.
13. He supports Manchester United football team.
14. He's previously been linked to Sienna Miller, Lindsay Lohan and Kate Moss.
15. But sorry to break this to you - he married Amelia Warner in April this year.
16. Who is also a singer called Slow Moving Millie.
17. And they're currently expecting their first child together.
I mean, we're happy for them really. Really.