Whatever you do is done either, because you plan on existing for the next moment or because you don’t.

For example: Depressed people often struggle with long-term thinking and because of past negative experience predict an unpleasant future.

Now, when it comes to actions, that only show benefit in the long-term, they see no motivation to do things for the future as they reject the future.

They struggle with: basic hygiene like brushing teeth, showering, eating healthy, maintaining social contacts.