Funny I saw this meme today because yesterday I realized I knew the answer. I was making scones and got the baking powder out of the pantry and reminisced that up until I was 34, I never knew there was a difference between baking powder and baking soda.
And then I realized that was it - like most people I'd always wondered how you knew you were a 'grown up' and like most, I didn't feel grown up in my 20s, but by the time I was in my 40s I'd stopped thinking about it. And that must have been the tipping point.
When you first realize there's a difference between baking powder and baking soda is when you become an adult.
Since I've decided bicarbonate of soda is the secret of life, here's Ivor Cutler singing about his Holy Grail, Bicarbonate of Chicken.
I couldn't find one about the Zen journey and baking powder, so this old chestnut will have to do instead.
At first I thought the wording I remembered