Just to be clear, this is one way to do it, but not necessary.
I always direct inhale into my lungs.
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Tis what I mean, I do it one way, DC2 another and neither way is wrong. I think that's what makes starting ecigs a little rough at first, you have to find the way that's right for you and no one can tell you what that is. You can only compile the information and try what you hear. You will eventually find what you need to do.