When someone is high, they are under the influence of a drug, which can alter their behavior and physical appearance. There are many different drugs that can cause someone to get high, and the effects of each drug can vary. However, there are some general signs that may indicate that someone is high.
One of the most common signs of being high is changes in behavior. Someone who is high may become more talkative, energetic, or silly. They may also become more withdrawn or quiet. They may have difficulty concentrating or making decisions. They may also exhibit unusual or erratic behavior.