system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Do memories occupy a physical space in the brain?
gpt
Memories are pretty much connections between nerve cells, the more numerous 
(edit: and stronger) the connections the better you can remember something. 

Since this is a physical connection, theoretically there is a limit to how much we can remember. However we dont know how much of our brain is available to store memories so we really cant determine what that limit is.