I wonder how can one even calculate time spent reading in hours. Most of reading is, after all, thinking (and reminiscing) about what you read... I think maybe

I wonder how can one even calculate time spent reading in hours. Most of reading is, after all, thinking (and reminiscing) about what you read... I think maybe OP was using some obscure meme format. Or if it was genuine I am also interested how did the 500 hours came upon.