How about: I know you are going through a difficult time. I care about you and it hurts to see you hurting. I know you see your "friends" as helpful during this time. I respect you needing to make your own decisions on how best to take care of yourself. I really appreciate how you shut down the texting in the bedroom when I was trying to sleep.
Lois, I love you, however, this ^^^^ is not a good idea to say. Here's why. Again he would be assuming how she feels. And to bring to light again how he feels about her, is telling her he is not hearing her. He doesnt know how she sees her friends.
He set a boundary. He needs to leave it there right now.