Well this old pervert is a bearded doctor who tries to figure lots of things about sexuality and the way couple can live together for a long time. Stupid shit right? But anyway he conducts some experiments and watches results too. So today this bearded pervert watch fresh slim brunette Mila giving a good blowjob to her own BF. Shaved pussy of beauty with nice boobies is also polished both missionary and doggy by a bit older man while prof observes them with a strict view on his face.