I am well aware of that, and I gave a few other examples that may have drastic impacts on a relationship, or how to arrange a life with challenges like this.
I also have every understanding for the shock if the CDing is revealed maybe long after marriage. I also see (and read in this forum) that after the outing TG folks sometimes is so excited that they loose sight and sense of proportion. Which makes it even harder for their SOs to deal with it.
BUT, for me infantilism is a destructive example as it is, correct me if I am wrong, at first associated with a sexual (pervert) load (true or not).
In this sense infantilism is indeed comparable to CDing, as CDing also at first is a associated with a sexual (pervert) load, and therefor the initial question seems to be legitime.
Nevertheless, IMHO CDing (TG) isn't primary of sexual intention (how sexual (pervert) a 4-6 year old can be ?), but it is exactly this assumed sexual load that causes a great part of the trouble our SOs have to face.
In this sense I find the initial question ("exercise") inappropriate and destructive (yes, and in a certain way offending).
IMHO it would be far more easy for our SOs (as well as for some of the TG folks) to deal with the non-deniable erotic (sexual) aspect of CDing too, if it would be seen as a secondary effect, which might even loose importance, if the primary reason is allowed to be unwrapped.