Please let me know what you would do.  I need your wisdom.  Thank you for reading.   I haven't told my Grandma I don't believe in God because I knew it would cause her a lot of pain and worry.  She's in her late 70s and we used to be very close.  We used to talk about our common faith, Catholicism quite a lot.  I had a lot of issues with the religion and she was my mentor as in my early teens.  L…