I gave birth via csection on monday night and my milk came in today and my boobs are like rocks. my baby appears to be finding it harder to latch on since it came in, he is being really fussy and sometimes wont even drink from one of them - do you think this is why? is it a good idea to express a little before feeding to soften them up? what else can i do to ease the discomfort? how long does this usually last for?