Who is Professor Agostino Toti from Eleven Short Stories = Undici Novelle and what is their importance?

Professor Agostino Toti is an elderly teacher who has taken a young wife. Professor Toti is "philosophical" about his marriage, believing it is something he is doing out of kindness for his wife, even to the point of encouraging her to have an affair with a man closer to her own age so she will have someone to look after her when he dies.