Running the same ad copy for too long is not a good idea. People who see your ad regularly will start ignoring it, which is called ad fatigue. This causes your click rate to drop over time, and Google may also reduce how often it shows your ad because it sees lower engagement. Testing new headlines and descriptions regularly helps you learn what language connects better with your audience. Small changes can sometimes lead to big improvements in results. How often do you update your ad copy to keep it fresh?