Is it common for emotionally mature people to become more selective about who they spend time with?

Have you ever dealt with a customer who insisted on firing an employee for a minor mistake, and how did you manage to resolve it without escalating the situation?
How can friends and family support someone who misses the heightened experiences of their manic or psychotic episodes?
Why is it so difficult for people in low-paying jobs to transition into roles that offer a middle-class income? What steps can they take?
Why do clients often feel more relaxed during a home-service massage than they do in a physical spa building?