Additionally, it's hard to be assertive when you are drunk. Alcohol impairs judgment and inhibits clear thinking. This makes it harder to assess risk. Often alcohol causes people to misread situations or emotions. Also, when drinking, people may forget their common sense and values.
Alcohol can increase aggression.
There is a clear tie between alcohol and violence. Between 75 and 90 percent of all violence on campus is alcohol-related. Alcohol itself doesn't cause violence but some people who drink it are more likely to act out their violent feelings. Some people mistakenly think alcohol makes them powerful or aggressive. Also, rapists often target a female who is drinking, frequently planning to ply her with alcohol.