Why do narcissist move on so easily?

You Might Be Interested In Reading This On Quora:

8 Clear Signs You’re Being Used, Not Loved.

4 Things to Never Say to a Narcissist.

Has a psychic ever made a crazy prediction that turned out to be true?

All the sweet, long-term promises were just to keep you quiet. The narcissist had a shallow, specific goal in mind, and it had nothing to do with love or idealization. Those were just illusions.

It’s time to get off and move on.

7 Weird Phone Habits of A Narcissist.

Delta Force selection is originally based on SAS selection, so why is there no brutal jungle phase for Delta Force? It seems like it's based only on the Brecon Beacons section.

Do you stay in the theater long after the movie ends, or sit on a stopped train when everyone else has left?

5 Toxic Money Habits of a Narcissist.

10 Narcissist’s Nonverbal Abuse Tactics.

Why does everyone hate Ed Sheeran so much?

5 Weird Eating Habits of a Narcissist.

Narcissists move on so easily because they’ve gotten what they wanted from you. Once they’ve taken what they needed, they look for someone else who can offer something new or better.

7 Weird Facial Expressions of a Narcissist.

What do flat earthers think about Antarctica?

It’s like finishing a meal—do you put the empty packaging back in the fridge after eating the steak?

You might have been their practice partner for a skill they wanted to learn, a place to crash while they figured out their next step, or someone attractive to show off in front of their ex. Whatever it was, the ride is over.

Or keep holding onto a banana peel all day after you’ve eaten the fruit?

Are there any penalties for bestiality in the USA and laws prohibiting it?

No, you don’t. You got what you wanted, and you move on. There are plenty of other things you still want, and you know you won’t find them all in one place.