DEAR AMY: After my spouse of over 40 years died last year. I have moved forward in my life in a positive manner. I am having a relationship with a married woman (“Brenda”). As a widower, I have found this to be very helpful. Brenda’s adult son and daughter have supported her in allowing this relationship to continue and grow. Brenda’s husband is clueless to everything going on. Brenda and I enjoy our time together and we have very long phone calls, and we have a very exciting sexual relationship. Her house is across the street, and she has her own bedroom separate from her husband. He is dista…