The highly decorated Special Forces soldier who died by suicide in a Cybertruck explosion on New Years Day confided to a former girlfriend — who had served as an Army nurse — that he faced significant pain and exhaustion that she says were key symptoms of traumatic brain injury. Matthew Livelsberger, 37, was a five-time Bronze Star recipient, including one with a V device for valor under fire. In them he opened up about exhaustion, pain that kept him awake at night and reliving violence from his deployment in Afghanistan.