I agree with Sarushka. Anastasia's letters from Tobolsk don't seem to show any arrest in her emotional development. Anastasia's faith obviously meant a lot to her. I remember in one of her letters from 1918, she said, "Dear ones, in our thoughts we are with you all the time. It is terribly sad and empty; I really don't know what possesses me. The baptismal cross is with us, of course, and we got your news. So. The Lord will help and does help." Also some other quotes where she mentions the Lord are: "For now, good-bye. I wish you the best, happiness, and all good things. We con¨stantly pray for you and think, Help us Lord. Christ be with you, precious ones. I embrace all of you tightly and kiss you. A.", "For the moment, thanks be to God, we're living well". There was a letter by Maria that said the two of them went to pray in Alexei's room and Maria said that Anastasia mananged to pray right under her nose, or something along those lines. But, I don't think Anastasia's emotional developement was halted and from her letters it seems as if she was just depressed. And she did have a great faith in God, you can see it in her letters and things.