Is there anything i can do about it besides just sticking with it, feeling a bit iffy and eventually (hopefully) desensitising?
Probably not, desensitisation is likely to help.
Avoid alcohol at least 48 hours before flying, maintain your hydration (the little hairs in your balance mechanism are 'specially prone to dehydration), and avoid medical treatments at this stage-whether prescribed or bought over the counter.
Taking the kids on a roundabout can get you used to dealling with those sickly feelings, and hopefully help you overcome the anticipation. And you can bore them with a practical demonstration of the Corriolus effect.)
Happy gliding. Keep away from Mam Tor, it scares the paragliders.