Hi Andy,
Yeah absolutely. Its not something I've ever researched to be honest but I know I have this happen to me. I've mentioned before on OCD threads how as you recover and break the chains in these thoughts, you end up artifacts or just pieces of them that you still need to work on, yet cause no anxiety. I have some touching routines that cause me no anxiety at all yet I still do them.
Another member who had largely recovered, to a degree more than I have, said that he also had this.
The thing is, compulsions are part of the chain but they are associated with the obsession in the brain. So, I think that perhaps we remove the anxiety yet still have the ritual in place that becomes what other people would just refer to as a habit, a normal habit. You still work on getting rid of it, but at least it isn't part of countering anxiety so its easier, its just a bit weird that its there when it serves no purpose.
Another possibility is that we become so used to be anxious that bit becomes our new normal. Then when you have a good day, you question what it is you are even feeling and bring the anxiety back. This is part of the recovery, or at least has been for me and it gets easier and the better periods get longer as you question them less. Its called Schema Bias. Schemas (beliefs) become biased in favour of being anxious, so anything outside of that is now abnormal. I wonder if when this happens, some of these thoughts shift so that we don't really feel as anxious about them? Like we kind of habituate in a negative way, if that makes sense? I'm not sure, its just something I wonder about.
But yes, I do think we can desensitise. I think as well that as part of recovery, you will notice changes in some of these obsessions and rituals and you may start to see them decouple as mine did. Maybe this is what you are feeling right now? Because you are going the right way with how you are trying to cope with the thoughts, by not surpressing them, you just have to be accepting and non judgemental from there.
Your therapist can shed more light on it, but I don't think you should worry about it.
There have been several threads on here by people having a feeling of 'liking' the thoughts and then their anxiety would kick in, not because of the thought as they used to but from the fact they think they may have 'liked' it. This is also something you may experience, I no I have, but I've seen it on several OCD threads with the same theme as yours.
Maybe you can change sexuall preferences throughout life, I don't know. What I do know is that children are not part of sexual preference and we've discussed how the fact you feel the way you do means its OCD, nothing more sinister.
Let me also spin it another way for you. There are different ways to treat this form of OCD, the way you doing now and if you did some Googling (including on here) you will come across some people who, under the guidance of their therapist, actually practicing 'liking' these thoughts in a cognitive sense. I think the idea is to remove the anxiety first and then you must have to work with the therapist from there. I don't knwo much about this, and I'm wary of it given the theme, but if therapists use that method then it must be beneficial in recovery. Using your logic, your concerns over changing to want these thoughts because they are who you are, then wouldn't all these people be turned into paedophiles by their therapists? Why aren't their therapists struck off and facing some form of criminal charges? Do you see what I am getting at there?