Answer:
I fill a room but take no space.
The more you take away from it the larger it becomes. What is it?
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes
I'm an old relative who's hand's can't hold anything and eyes canβt see anything
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.