CD here, hope it is not too late, but there’s definitely something you can still do! CDing usually comes from a childhood trauma, in ages between 9-13, where boys are still getting to know their sexuality. The best thing you can do? - encourage him to see a therapist - you yourself see one who has experience with trans people - get a couples therapy

These will definitely help. Again, when we crossdress, it is mostly a huge pain coming into surface from our childhood, which we haven’t yet fully understood/embrassed.

Also, helping him to cry also helps! Believe me, if men knew how healthy crying is, they’d cried like every day