You can get better. I know it's difficult but try to keep positive.

Your lack of energy and your feelings about losing your identity and your personality are not uncommon, but some of that could be because you're in a depression. People change after any sort of illness. Patients who've had heart attacks for example can become seriously depressed. It's very common.

After a head injury with persisting symptoms, it's very hard and confusing to feel so different from how we used to feel and to not be able to do the things that were previously easy. It's also difficult for people in general to understand what can't be seen, so educating those around you can help you feel less hopeless and helpless as well. Seek professional help if you feel depressed.

Just take care of yourself.