Brain Injury= not the same
Something such as a plate can be dropped on the ground and break or, split. Yes, you can glue it back together but it will never look the same or feel smooth. Same thing if it shattered into many pieces; glue will fix it but it will never look or feel itself again.
That is exactly the way a brain injury is. In an injury, the brain can be split, twisted around or shattered apart. Rehabilitation can fix it but the person will never be the same again. They could be exactly like a plate; fixed but still show evidence of the damage somehow. The only difference is the damage to the brain injury is not visible. A person with a brain injury can recover enough to continue on with life; no matter how different and, make it worthy. It can happen.
So, if a person has had a brain injury; they are just as damaged as glass being broken. It can be repaired but will never be the same again. You never know, it could be just as beautiful as before; it will just feel different.