Depressed

Hello.

Ratty is at home now. 
Today I was at her place and she really seems to feel awful.

She didn't talked to me the whole day. She didn't smiled at all (even I told her really funny jokes)

I know, she don't want to do it, but she makes me cry (I know, I am sensitive)
I don't knownhow to go on. How should I keep holding on?