A person who talks to themselves more than others.   The other engineers at Nexus Dynamics called Leo “the Ghost.” Not because he was quiet, but because he was always talking—just never to them.Leo narrated his coffee brewing. He debated circuit board layouts with the empty chair beside him. In meetings, while others debated timelines, Leo whispered solutions to himself, fingers drumming a private rhythm. His colleagues exchanged glances. Odd. Unstable. Brilliant, but odd.“He talks to himself more than anyone else,” Maya, the team lead, said one day. “It’s like we’re not even here.”The truth was simpler, and sadder. Leo’s parents