LOL, with this title your thread should get lots of attention!
She's just being submissive and honestly I don't know why dogs like to show so much attention to other dogs' private parts but they sure do. They can be a little embarrassing can't they?
__________________
"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226