As much as I love reading Good Looking Loser I don’t think he understands how weak prenups can actually be.
As soon as assets previously held start getting intermingled it’s pretty much gone out the window.
For some security assets must be owned before marriage, held in separate financial structures and never intermingled with personal or jointly owned anything.
Offshore is even better.
All of this needs to be done beforehand, preferably long before you ever met her.
This is not intended to be advice, just an opinion based on what I’ve seen.
But do talk to a lawyer experienced in such matters about this stuff if you have done well for yourself.
Do not rely on the internet for this.