It has to be 8 sentences, Can someone help me out and correct me?

Alcohol (ethanol) impairs your judgment and depending on your size and tolerance, you can do some substantial damage. When you are behind the wheel, it is your responsibility just as much as the other cars when on the road to be as cautious and safe as possible. You are not only putting your own life in danger but many others also. The best way to bring to an end to drunk driving is to necessitate more rigorous consequences for any person caught drinking and driving. The fines ought to be a good deal higher and their license should be eradicated after the 3rd allegation. The contemporary legal limit should be lowered to at least 0.5 to be on the safe side. A designated driver is basically a person who consents not to drink alcohol and be held accountable for driving others home.

Sure, I can help you out. Here are the corrected sentences:

1. Alcohol (ethanol) impairs your judgment, and depending on your size and tolerance, it can cause significant damage.
2. When you are behind the wheel, it is your responsibility to be as cautious and safe as possible, just as much as the other cars on the road.
3. Drunk driving not only puts your own life in danger but also endangers the lives of many others.
4. The best way to end drunk driving is to establish more strict consequences for anyone caught drinking and driving.
5. The fines should be significantly higher, and the offender's license should be revoked after the third offense.
6. The legal limit for blood alcohol concentration (BAC) should be lowered to at least 0.05 to ensure greater safety.
7. A designated driver is someone who chooses not to consume alcohol and takes responsibility for driving others home safely.
8. By having a designated driver, it helps prevent drunk driving incidents and ensures the safety of everyone involved.