Imagine approaching a group of women...
At first they act defensive because every night they're interrupted by dozens of boring, cheesy, creepy people.
Their instinct is to reject unattractive, uninteresting people.
(And it's the same for everyone. If someone's not interesting who wants to be around them?)
You start a conversation with your opener and it gets them talking, but you're still a stranger. You're just someone who said one interesting thing. They still don't necessarily want you sticking around.
Now you run your Demonstration of Higher Value. And after you perform it correctly (keep that part in mind) something magical happens...
The group isn't wondering to themselves when you're going to leave. They aren't sending eye signals to each other to make sure everyone is OK. They're opening up to the possibility that you're interesting.
They're having FUN! And you're the source of that fun. If you try to leave now they'll beg you to stay. Now, when you speak they give you their attention. They do their best to keep the conversation with you going. They don't want the fun to end!
This is THE HOOK POINT! The moment that these women no longer wonder if you might be boring or a creep and start thinking that you are...