For folks who have never seen it I like the episode with Sally Sparrow. Since you said re-watch… I m thinking of making a game of watching new who episodes and trying to spot the references, going back and watching the corresponding classic series. Mix it up a bit
I think https://charliefoundation.org/ is a good intro
I recently did another round of keto. It was very easy to search up starter diet plans, and recommendations (and plenty of folks will sell you their goods and services ) and just start doing it.
There will be an adjustment time at the start , look up keto flu. It’s mostly just being grumpy.