
Some of us get limerent because of this kind of behavior from our LO. It's about how men play you by using ambiguity. https://www.youtube.com/watch?v=ymiuGjnR7dU
Before you ever know what hit you, you're hooked and stuck waiting for them to come back around.
update edit: I watched it twice, and he says: "inconsistent attention creates stronger attachment" -- There's the limerent hook.