Not Live Google reviews

I am already used old aged account But still not live my reviews sometimes live and sometimes not.Many people says warm up your mail and Farming your mail.i am already research on That But not finding anything.i need help Badly how can i live google reviews or how i warm up mail?

Warming up an email means gradually using it over time, behaving like a real user - think browsing, engaging with content, and personal emailing before leaving reviews.