Also, if you don't use text shortcuts on iOS or macOS yet, you're missing out. They can be super useful for a zillion different things.
See my screenshots. I'm sure I'm barely scratching the surface.
One of my favorites:
**beautiful = https://www.youtube.com/watch?v=ibZK72PJywI
It's a great video about telling people they're beautiful.
I also have **flip to expand
Because that is useful.