Well… since they can’t reach the armpits, so crotch it is…”.
Dogs cannot speak so they have their own ways
. Your dog is just trying to know you,
but if you’re embarrassed with this innate behaviou
r, you can redirect it by training your dog; giving treats and saying basic
commands such as sit, stay,
etc.
Their sniffing is equivalent to asking your name,
where you live, as well as shaking hands.
As non-verbal species, this is their way.