I know that dysphoria is eating you up and something I have been doing is to consciously have some time for her. Sit next to her, watch television, read a book next to her, touch her arm or leg or just something close to her. Look at her during this time and smile and tell her you love her.
Do you remember way back when you got her a card, flowers or her favorite chocolates because you love her.
Nothing to say but the need to discuss the monster under the table , I know this too well. Do not bring it up during dinner. Talk about local stuff, work or what to do this weekend with her (go for a walk or ride, mall time, beach, lawn or yard work, needs for shopping, the best meal you had last week).
If you want to communicate with her remember to think about what she wants to discuss. I will bet it is not about GD but about how her word has changed, how she wants reassurances and how can she hold her head up when others find out.
Time, reassurance, learning, consistency and love are all the things you will need to reassure her you love her and what to be with her. She needs to feel the bond between you and her.
Good luck, I am in the middle too and hope the above helps (They are my lessons I have learned). You know, I never got flowers and would love to get them, always felt that way. Something about them brightens my mood.