If you're asking yourself why hasn't the bubble burst when everyone is calling it a bubble it's because no one wants to stop dancing until the music stops. If

If you're asking yourself why hasn't the bubble burst when everyone is calling it a bubble it's because no one wants to stop dancing until the music stops. If you told an investor the market will collapse tomorrow with 100% certainty they will invest today like there is 0% certainty of it happening tomorrow.