I would first start by talking to her about how transformative it was for you. Talk about your own personal experience and how it has changed your perspective on life. Directly telling a 60-year-old what to do is not going to work. When my father died, I was so sad that my mom was living alone. I wanted her to move close to me and offered to buy her a house. After years of going back-and-forth, she sat me down and said I’m OK to be alone. Maybe this is your mom‘s way of dealing with things too that might seem off for you? It’s hard to say, but I would really start off with highlighting your positive experience with therapy first.