A faking - To fake is to lie to someone and then forget all about them.

To fake is to lie to someone and then forget all about them. You promise you’ll be there, but you’re out partying with your new fake friends.

Text: "I’ll be there for your birthday." Then vanished.

In the hallway: "I said I’d be there, but I’m at the mall with my fake friends."

DM: "You promised, but I’m at the party with my fake friends."