How do you initiate edging in sex?
I've heard that a good technique to last longer in sex is edging, where you start thrusting until you're about to cum, then you stop until the feeling goes, then you start again, etc. But how are you supposed to just stop thrusting in the middle of sex? Wouldn't the girl wonder why you've stopped? Doesn't stopping negate the whole point of wanting to last longer anyway? Wouldn't she be disappointed that you've stopped when it was just getting pleasurable? And how do you even initiate it? This is the only scenario that I can imagine:
*You're both having sex*
You: Stop! Don't move!
*She looks nervous*
Her: What's wro-
You: Wait...
*A couple minutes pass with a strange look on her face*
You: Ok, I'm good, let's go