+1 vote on sticking to your guns.
she won a session, that's discount enough as it is. she wants copies, she should pay. simple as that. if she doesn't want to pay the price for all 119 shots, she can pick her favourite 10 or whatever is fiscally suitable to her and be on her merry way.
as a couple folks already mentioned, maybe a free 11x14 or 8x10 would have been nice so there was something from the shoot but it's a bit late for that?
it's threads like this that make me happy that 95% of my subjects can't talk.