What does for better for worse mean?

Related questions

1. Does exceptional mean good?
2. What's a big word for excellent?
3. Is it cleverest or most clever?
4. What do you mean by excellent?
5. What does speak with good purpose mean?
6. What does pursue excellence mean?
7. What is the root word of excellent?
8. What is the value of excellence?
9. Who is worse or worst?
10. What are the keys to success?

Tags

1. #something
2. #action
3. #consequences
4. #phrase
5. #changed
6. #whether
7. #because
8. #cannot
9. #accepted
10. #better
11. #happened
12. #worse