Why do people always forget things?

The difficult question is that it's not always related to memory because sometimes people are just overloaded and could forget something like keys or cards. However, it can also be a sign that it may be the early stage of some disease related to the brain, and people should pay attention to it.

I would say one of the main reasons people forget things is because they're in a hurry when they're doing something. This makes it easy to forget things, especially important things. Another reason could be bad habits that contribute to forgetting things.

Interesting question, actually. I would say the reason for individuals forgetting their things is maybe being in a hurry, which results in forgetting things, especially important ones. Not thinking about everything you need before going out to a place and not checking that you have everything in your pockets could be the reason for that.