Our brain, mind, and behavior are plastic, and we're never the same person just from a moment ago since we've met. The brain is an ecosystem filled with microscopic jellyfish, sparking electricity at each other, and trying to approach each other.
The brain is a targeted approach and one of the biggest realizations of studying neuroscience is the possibility to optimize the brain’s functions surgically.
The idea of the left brain being for logic and the right brain being for creativity is a myth because any part of the brain can be affected when there is trauma or injury.