GIZMAG: Sweat-analyzing Smartwatch

"I get other people to sweat on my behalf: members of staff, that kind of thing... So, you could say I delegate the sweating to those who are good at it. Some people are, somehow, born with an ability to sweat for it." 

I must say, it wouldn't be good for The Duke of York, A.K.A. Randy Andy. The Duke would probably counter that he would have strictly no use for the smartwatch in question, since he does not sweat - and has never sweated. 

https://newatlas.com/health-wellbeing/sweat-cortisol-smartwatch-stress/

Sweat-analyzing smartwatch could warn wearers of elevated stress It's important for people with conditions such as depression and anxiety to know when they're becoming stressed, so they can initiate coping strategies. An experimental new smartwatch could ... newatlas.com