Could just be gettong ready but I wpuld give the wa wet washcloth a try
Yes I've leaked and oddly enough I had mastitis at28 weeks before leaking. But when I touch it it doesn't hurt .but it keep coming and going ahh!
Have you leaked any colostrum yet? You could have a clogged milk duct. Try a warm wet washcloth on your nipple
Probably just getting ready to nurse baby