Training or choice?

[DingoJay]

4 hours ago, littlejohn said:




 I wonder how they know.

 I have definitely noticed this, even in dogs who I'm fairly sure have not had sex with a human before.  I am thinking that it's one of two things: Either it's your body language that tips them off (dogs are very keen at observing humans' body language!) or perhaps it's pheromones, i.e. they can smell chemical changes as you become aroused.