Seriously... I've no idea!!!
But I have a stupid way and that's what I did all the time which is...
go to your blogger account "dashboard"
click the "add" button
Just copy and paste the blog website that you gonna to follow here,
like mine is
http://raptorshornets.blogspot.com
Then just click "Follow"
That's all!!!
Or is there any other easier way, feel free to let me know and I'm very glad to hear that!!!
Thanks!!!