Is There a Big Bank Singularity?

There's no time before the big bang. And yet there is, in a sense in this case, because you could meaningfully say, at such and such a time in our universe, this other universe began,. But from the point of view of that other universe, i its start was outside of time yet. To be honest, o, yo, i'm not even sure like, how to understand this of saying that there was this other, disconnected universe, you know. I mean, once you start to go down that route, you know, we are really getting into this thing that, how do you intest an idea like this?