The most important thing is communication,between you two!Unless your SO,finds an act,completely repulsive,to them,I would
think that it would turn them on,knowing that it satisfyed you.
Knowing that you turn your mate on still,is satisfying to anyone.
You shouldn't be embarrased,about anything,if you have done
things,in front of each other,for a long time.My wife & I,have been
married for 37yrs,& always communicate! Irish

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Irish---Better to be dead & cool,then alive & uncool!
(Harley Davidson & the Marlboro Man)