If could spend an hour daily on self development, what would you do?

[Krakken]

Looking for ideas to get out of this fog and get that mental physical spark back.

Can I imagine perfect motivation? If so, decluttering.

Running (I already do)
Play the piano and improve my playing.
Art

Some good suggestions. I went for a walk and listened to a podcast.
I waste a lot of time trying to find things I'm interested in and spend more time researching stuff than doing it,

I'm going to look for a course.