Imagine being able to remember every single day of your life, all the way back to when you were a newborn.
Australian woman Rebecca Sharrock is one of only 60 people in the world with a highly superior autobiographical memory (HSAM), also known as hyperthymesia.
Yeah almost certainly. Forgetting is an adaptive mechanism, probably not concerned with space. The brain is finite of course, but I imagine other parts of your consciousness would fail before you ran out of “space”