Dear Abby gives advice to a reader whose friend has been trying to secretly text her boyfriend. Azee Jacobs/peopleimages.com - stock.adobe.com DEAR ABBY: My boyfriend and I have been together for a few months, and we’re great together. We have a mutual friend who is married and, in the past, showed interest in my boyfriend. She has asked him not to show me the texts she sends him. We are both concerned about her and her husband, as they are going through marriage counseling.  I have told my boyfriend this means she wants to have a private and secret relationship with him via the texting and it is concerning. He’s trying to be supportive of her, as they have been friends for a couple of years. What do you think? — FEELING ANXIOUS IN MINNESOTA DEAR FEELING ANXIOUS: Your boyfriend is kind-hearted, but he shouldn’t agree to a secret relationship with his friend’s wife.…