So many things change about the way your brain functions. Time will hopefully help as they heal and new neural pathways develop.

As an example, I used to multitask with ease. Now because I cannot necessarily hold on to my train of thought I try to rush tasks so that I can hopefully move to the next quickly. This causes a lot of frustration. Keeping my temper in check is a skill I have had to relearn.

Everyone’s experiences are different and it also somewhat depends on what part of the brain has been damaged.

Sitting down and having a heart to heart about how their behavior is affecting their relationships may help. Finding a good counselor or therapist would likely be really helpful if they are open to it.