[quote=@Fabulous Knight]
About how much time in total has passed since the Big Bang, would you say?
[/quote]

[quote=@Scarifar]
<Snipped quote by Fabulous Knight>

I'd say thousands of years.
[/quote]

Billions. Billions. 13.5 Billion years to be exact
Our RL universe is currently 13.8 billion years old, humans have been around for maybe a few hundred thousand years.