a bear market, which is a prolongued (3 years +) correction of crypto prices,
there is no time frame for bear market. that is you assumption that it should last 3 years. and a bear market has nothing to do with a correction. a correction is a drop that you can predict the bottom of and it is much shorter than a bear market which is longer and you can not predict the bottom of it.
a bear market will never happen
it has happened, it is happening right now and it will happen in the future like this again and again.