
I forbade it because it is
dangerous and rarely SUCCESSFUL.
Game of Thrones Season 7, Episode 3

SUCCESSFUL scientist.
The Big Bang Theory Season 11, Episode 15

and apparently it was SUCCESSFUL.
Money Heist Season 1, Episode 9

There are a lot of SUCCESSFUL people
in this country...
The Big Bang Theory Season 2, Episode 1

Still, you need to consider how SUCCESSFUL
Leonard's brother and sister are.
The Big Bang Theory Season 8, Episode 23