"Long term healing has gone wrong. While fixing the damage as it happens is fine, the long term Maintaining stage of the beam works too well, healing 'defects' that are inherent to the person. Injuries that you have grown up with and no longer cause you harm."
"It should be a simple matter of limiting how long the healing continues to prevent it, though it will mean rebuilding the gun, so I want to gather all the info I can..."
((I need to sleep, night all!))