Dream of grandfather, person, sofa

I dream my grandfather talking to me telling me the everything it's going to be ok and we finish talking he hug me and then he tell somebody the a I was taller and fell some one grab my arm and walk me to grandfather room and when I enter the room I saw a little boy sitting in the sofa I never in my life seen the boy the person the I was walking tell the boy to move the I was really taller and boy move and I soon I lea down in sofa I wake up in bed crying. I got confuse I din't no what to think Need help with my dream