Gerri Norington, 78, never wanted to be on her own as she grew old. But her first marriage ended in divorce, and her second husband died more than 30 years ago. When a five-year relationship came to a close in 2006, she found herself alone — a situation that has lasted since. “I miss having a companion who I can talk to and ask ‘How was your day?’ or ‘What do you think of what’s going on in the world?’” said Norington, who lives in an apartment building for seniors on the South Side of Chicago. Although she has a loving daughter in the city, “I don’t want to be a burden to her,” she said. Nori…