"Let me go!" you exclaim once more followed by a quick, "Please."
Sidney sighs theatrically and snaps her fingers. Your breasts double in size and sensitivity once more and you feel them being filled with something.
"Your breasts are now eternally filling with milk," Sidney explains. "You need to be milked twice a day. If you miss a milking your breasts will triple in size for each missed milking. Suckling doesn't count as milking. In fact, suckling only makes them bigger and more sensitive."
She blows on your breasts and you nearly orgasm from the sensation.
"Now, I was going to take you to the dog park, but I think that's too good for you now," she snaps again and you grow hornier. The thoughts of cocks grow stronger and threaten to push out all else.
Sidney takes you outside and materializes a sign that says, "Free Breast Milk, feel free to suckle!"
People do just that and suckle on your breasts well into the evening. Your breasts continue to grow and grow more sensitive. Afterwards, Sidney takes you to her house. She has a horse there. You say...