Oh, no, I was seriously young. We're talking the slightly more confusing version of tooling around in MS Paint. No actual skills acquired ; )
I had a drawing programme when I was young. Sadly it was NOTHING LIKE MS Paint, or Photoshop...

I'll be honest. I'm not entirely sure where sushi eating fits into the metaphorical structure.
Nope, let's not go there.

Hmmm, might take a look. Though there aren't any particular metaphors that stick out to me in that one. It's more like . . . a pool.
... Pond?