Breastfeeding Question!!

I'm due early February. my question is, is it bad for a woman to feel sexually aroused by breastfeeding. I ask this because when my husband plays with my boobs I feel that. I'm scared to feel it when I'm breastfeeding. If I do, will it ever go away ? Now i don't need no rude comments, I just want to know what happens when you breastfeed since I've never done it before.