I have faced the same dilemma one month back.. thinking to stop BF since I have already completed my 13 months of BF but felt very guilty especially when my gal cried when I dont BF her. I actually stopped for 1 weeks but after re-organizing my thoughts, I decided to continue as I feel there is no other better reason why should I stop since I can still BF even once or twice a day.
The very moment when I told her that I going to BF her again, she is so happy. Looking back, I guess I did the right thing. Now, I'm thinking only to stop when I get pregnant again or when she reach her 2 years old.
Hope you too... Cheer