He's given me a couple of wee bruises so far 
He's had a bite of my arms a couple of times when he has been sitting on my knee/clambering about on me playing.
I have never had much a problem with him biting while bfing, he very rarely even tries it. (only feeds 2-3 times a day now).
He seems to find it hilarious but it is really quite sore!
I have tried not to make too much of a big deal of it, just taken him off my knee and said no, don't bite mummy etc.
Any tips on how to deal with this if he keeps doing it?
thanks.