give someone with poor credit a high ltv, low no-dot loan with all the funky features, we'll call them financial innovation to be nice here, right? and say that's okay because the value of the asset backing it today will be worth more tomorrow than it was today, and so i'm good. and we sort of learned -- we never expected. there's a famous lehman brothers prospectus on a bond, and it goes through the details of their house price simulation, and it says there's this one possible path of houses going down 3-4% negative, and they showed if that happened, basically, most of the tranches of that bond would get wiped out because the it was a terrible pool of subprime loans. then they assigned a probability of less than 1% likely hood to that happening, so we're all good, right? you get back to the black swan conversation. we had what we now know -- once you have a black swan it sort of becomes white because it's known. so what's the next black swan? is the it a 60% -- >> interest rate shock? >> something like that. so, you know, we have to, you know, we sort of look at these things and say,