wits about me
Antonyms
Examples
You drink only sparingly. Is the beer too thin?” "No at all. I merely wish to keep my wits about me. It would not do if both of us became addled, and later woke up in doubt as to who was who.
No I don't miss fighting, I still got my wits about me and there are a lot of people who do it and get beat up, and I don't want to be one of them, I have children to raise.