As you feel that your child is feeling insecure at the moment, I am not sure that weaning, unless it's really bothering you and you are starting to feel resentful for example, at this time is ideal. In an ideal situation, you would wean when there are no other major changes going on in her life, otherwise it all becomes too unsettling. Of course, we don't live in an ideal world so if you feel that now is the time to wean then of course, you have to do what is best for you as well as for your child. I agree with the slow method of weaning. It took me two months in total to wean my daughter. It was at a pace that my daughter and I were completely comfortable with so she remained completely secure throughout the process.