Share 'Suggestions on weaning a 2 yr. old'

I have a good friend who is struggling right now on weaning her 2 1/2 yr. old daughter and I told her this would be a good place to find suggestions! Her daughter is still waking up around 4 am and throwing huge tantrums until she gets "boo boo". My friend is very frustrated and going crazy. She has spoken to a few lactation nurses and hasn't gotten anything really solid that she thinks will work…