quit breastfeeding- engorgement?

Bxne

Hi all. My beautiful little Shauna finally came into the world. I breast fed for 2 days and realised it was not for me..so I quit. today is day 4 and my breasts are sore. I have been applying cold cabbage leaves. is there anything else I should do? I'm guessing I won't have to worry about Mastitis or anything like it seeing as I only breast fed for 2 days?