The left side of the brain controls the right side of the body, so when the left brain is stronger, the right hand will strong and the person may be right-handed. The left half controls speaking, so a person with a strong left brain may become a good speaker, professor, lawyer, or salesperson. A person with a strong left brain may have a strong idea of time and will probably be punctual. The person may be strong in math and logic and may like to have thing in order. He or she may remember people's names and like to plan thing ahead. He or she may be practical and safe. if some thing happens to the left side of the brain, the person may have problems speaking and may not know what day it is. The right side of his or her body will be come weak.