Respectfully, I disagree. If I ever get married again, we'll have a prenup. And it's not because I'm worried we'll get divorced or that he'll screw me. When my ex and I divorced, we were both super fair with each other and it was quite amicable. BUT... a pre-nup clarifies things. Like pre-marital counseling, it's one of those things that people who agree to it probably don't need it, but those who refuse... there may be something off.
But this is just MY opinion. It's totally cool to not want to do a pre-nup. It's your life and you should not do anything that makes you uncomfortable.