Why do artists paint self portraits?

Related questions

1. What is classed as a portrait?
2. How much does it cost to have a portrait painted?
3. What is the difference between a candid and a portrait?
4. Can you paint oil over watercolor?
5. What are the three theories of art?
6. How do you get pictures painted?
7. How do you price artwork?
8. Can I paint over a photo canvas?
9. How can you tell if paint is oil based?
10. Is digital painting easier than traditional?

Tags

1. #photo
2. #rather
3. #better
4. #perhaps
5. #painting
6. #document
7. #artists
8. #especially
9. #their
10. #spent
11. #years
12. #paint
13. #reason
14. #artist
15. #another
16. #general
17. #portrait
18. #every