Younger married neighbour takes care of my wifes' big tits and hairy

A younger married neighbour comes around to our house when his wife and I are at work. I suspected something was going on so I set a camera. The result is surprising! Who would have thought that a younger married neighbour who has a stunning young wife would be interested in my mature wife almost 20 years older? However rather than being upset I found it really horny to see how he caresses her big tits and hairy pussy. Seeing my wife convulse when he licks her pussy is a real turn on. My wife and I have since spoken about this and enjoy it as our sex has also been spiced up. The neighbour still thinks it is a secret though!! The video has been edited for anonymity purposes.