Are you bored? I have something for you that will keep you occupied

Many of us are at home, work from home, only have digital interactions and are slowly getting restless. Some of you may already silently scream at the walls, think about repainting the lawn and generally making a nuisance of themselves. I am here to help you.
First a little advice I got from an ex inmate about being confined to a single place for a long time. If you don’t want to get nuts, don’t make plans for the future. Take one day at a time. Don’t think about next week. Try to fill the present day with things to do. Not the next day, not the next week. Tomorrow start again. Really. Neither of us can see how and when this will end.
And there is no harm in a little bit of online shopping if it makes you happy.

Now for the part that will occupy your mind for the foreseeable future:

Tell me in as many words as you like
For you, is it Kopenhagen or Many Worlds

For those puzzled right now, the fun begins probably with Wikipedia. Find out what I mean and then think about it. Take a deep dive and when you come up on the other side, tell me how you feel about it.