hi my sister doesnt have any friends and she starting to talk to herself out...

[Sandy G]

...loud.what does that mean? hi my sister does not have any friends and she's always stuck in the house everyday and i dont live no where close to her and im in the army.so how can she quit making herself talk out loud and i just caught her the other day arguing with herself out loud. so is this something that had happen to her in the past when some one was being mean to her and now in her head she thinks she fighting with the person or people now?b/c i had ask her already and she said she dont know why she is arguring with herself. and it just happen after our mother had past away from breast cancer and brain tumor. do she need to go to church to get blessed. and is it the devil doing this to her making her go crazy? please help me. and if you dont know the answer to this please do not answer this no stupid comments thank you and god bless you!