Answer:
I am a cave full of bones and the house of a worm.
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
My first half means container. Not a lot of people understand my language. What am I?
I can be found after you remove 6 letters from BSAINXLEATNTEARS
I'm where yesterday follows today and tomorrow is in the middle. What am I?
I flow from the Homerβs mouth when he sees doughnuts.