i think... probably you lick your own tongue. but i hope you're not lick ing anyone else's
No.
No, due to the physical limitations of their anatomy, dwarves, like all humans, are not able to lick their own elbows.
get really fat
yes
Yes
yes
If they are long enough
lick your own toe
Yes
A loving pet.
Usually they lick it to mark it as their own territory. There may be several other reasons but this might be one.