[For Tracy Shaw of Southbury, Connecticut, life wouldn't be the same without her Wednesday night supper club (she and three other families from her daughter's daycare center take turns cooking meals), a reasonably priced handyman, a support group called Parents Without Partners, a circle of friends, and reliable babysitters.] Even though my ex-husband lives nearby and spends two evenings a week with our daughter, I'm still her primary caregiver, activities coordinator, and chauffeur, ... Without some help, I would have a tough time maintaining a balanced life. Tracy Shaw