Ghosting: pros, cons and the best reaction

"Hey, so listen, it was really nice to meet you, but that does not work for me, I want to end this."
"It's not easy for me, because a lot has connected us, but something has changed and I need a break, more I can not say at the moment, but you will not hear from me anymore."

It's not that hard, right? But not everyone can do it. Luckily there is an even easier way: Ghosting.