YOU GUYS KNOW WHAT I MEAN?
Not in the slightest. I'm pretty much 100 percent sure your DL is not flawless. My DL is not flawless. Very few people can do the DL deceptively. A double card needs to look like a single card and if people who have never seen a DL more than a few times know that you are picking up more than one card, then you can not do the DL.
Practice it a bit more. And no need to shout, he's only helping.
There's been long talks about people thinking they are a hell of a lot better than they actually are. It won't help you in the least.