Answer:
I do not have eyes but I once could see. I used to have thoughts but now Iām empty.
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
I can go through glass without breaking it. What am I?
Give it food and it will live, give it water and it will die.