What does the phrase "for better or worse" mean?

Question

What does the phrase "for better or worse" mean?

Answer 1

For better is when you got married and he had a job, took out the garbage and spent quality time with you. For worse is when he hasn't worked for a year and half, don't know how to take out the garbage, and sits in front of the tv all day and night, never spending time with you.  

Answer 2

the first answer is absolutely right...that's exactly what it means!

Answer 3

In good times and in bad; in other words, always.