How can i practice making out?

okay, i know this probably sounds kinda sad but im 15 and ive neverr kissed anyone, let alone madeout with anyone. everyone thinks i have though. yea so im always scared now cause i dont wanna kiss someone and be bad and theyll be like what they hell havent you ever kissed anyone? are there ways i can practice?or is it just as easy as it looks and you pretty much go with the flow? pleaseeeeee help me!!! thanks :]