No I don't think he needs to go dark.

She's inviting him that's a very good sign. Have him go over and just have fun with her and the D.

She may be testing the waters again to see how it is together. During my whole sitch, I think my W invited me to 2 things over 9 months.

M-43 W-40
2D - 9 and 5

Emotion, yet peace.
Ignorance, yet knowledge.
Passion, yet serenity.
Chaos, yet harmony.
Death, yet a new life.

RECONCILED AND WISER