Will the memory loss come back the excessive mood swings the ability that doesn't have any get up and go no energy loss of respect paranoia does this go away

No. Once the brain is damaged it doesn't repair itself.

Most of the effects of long term use, does not improve. But it will stop getting worst.
The overall health of the person will improve. And there may be more energy.

You may as well get the facts

What are the long-term effects of methamphetamine abuse? | National Institute on Drug Abuse (NIDA)

Side Effects of Prior Crystal Meth Addiction

The good news is you can quit and recover and claim your life back. The sooner, the better.

Quitting Meth For Good - How To Quit And What To Expect