It can take longer then 70 days. it all depends if you were a good boy all your life and they dont see any red flags when they do a background check on you
But no, weekends dont count. And no matter who you are they wont touch your application for 28 days. So go out and do stuff for month then start checking the cfc online site in regards to your status.
Word of advice though. Just forget about it for a while, I know it is hard. But it will really get to you if your always thinking about "meaning it will feel A LOT longer

"
Good luck