THE size of Tiny Muir’s heart belies her name — the Grey’s Hospital nurse has become a hero in the Eastwood community for her constant good deeds. “When I saw the vehicles, I stopped. People were all around, but no one really knew what to do. I saw the children stuck in the one car. They were scared. I tried to reassure them, and when the paramedics came, I offered to help with the drips,” said Muir.