I remember this game being "fun" when I was younger, but in revisiting it I've realized how miseraberable it really is.

Meditations on the Tarot by Anonymous. It's not a quick/easy reference guide, but has some incredibly thoughtful examinations of the cards.

Agreed, this book is great.

Walking outside, but experiencing it as fully as possible while doing so. Remove distractions and fully appreciate what's around you.

Doing this early in the day can reframe your thoughts for the rest of it, and doing it late can bring better sleep.