D.W.
I am sorry to hear this, but be patient. Remember that a 22 month old doesn't have a lot of tools at her disposal for understanding or communicating her own feelings, and this is probably her way of being angry at you for going away and for "changing." Keep talking, keep letting her know you are the same you, keep letting her know you love her, and hopefully someday she open up and put both of you on the road to healing. It has to be so hard, but you must know, as an experienced mom, that she hasn't stopped loving you. She is just confused right now, and needs help getting through it just as you do.