There is no complete certainty of not catching the virus even for those who are receiving multiple doses of the vaccines when indulging in intense sexual activities without the masks on, so what's the point in posting your pics with masks on, or are you trying to suggest that doing a 69 would make the encounter safer and in compliance with the standard operating procedures? So many 'vulnerable' people over the age of 65 are ever so eager to indulge in passionate love - making upon their return to Thailand, so be damned with the mask charade.