BITING AND FEEDING?

Hi everyone I have a 10 month ds and he has started biting me when he nurses I don't know what to do about it I don't want to stop nursing but I don't know how much more I can take of him chomping down on my . He always wants to use me as the human pacifier at night all night long when I try to give him the real one he throws a fit til he gets to nurse for all of 2 minutes then it is off to sleep for and hour then back up again Help!!! Any idea guys.....Thanks in advance