Can milk still come out my breast after 13 years yes or no?

Yes: Milk production from the breast is most commonly associated with lactation following pregnancy however other things can cause milk production. Medications for instance, pituitary problems as well as small brain tumors. See your doctor and be evaluated to make sure there is nothing of concern causing the milk production.

Milk discharge: If you have milk from the breast you should talk to your dr. It's called galactorrhoea. That should be investigated.