Chicken out and let Mike go to the party

You chicken out. It's not that you're afraid to go through with it, but it seems too mean to take away Mike's fun time like this. You turn around and head back towards home while a new idea forms. You could tell Mike about the amulet, he knew how to keep secrets and then you could both go to the party. Plus it'd be fun to have a partner in crime and he was the only other boy in the household.

When you arrive home to change back to normal and go find Mike who is just coming out of his faint. He looks at you with terrified eyes and tries to speak but finds himself unable to, except your name. You take the curse away and he starts babbling. "Justin there was this monster, it was scary cause it looked kinda like me, but it had horns and big teeth and red eyes and-"

You grab his shoulders and shake him gently "Calm down Mike, I can explain that, but you have to promise to keep a secret."

He eyed you suspiciously but nodded.

You pull down your shirt and show him the mark on your body of an eight-pointed star in a circle. It looked like a scar that glowed faintly red with a fierce demonic appearance. "I got this from an amulet I found in your dad's storage. It was in a little chest with a bunch of other weird things. It has these powers like metamorphosis and the power to cast curses."

"You were the monster?" Mike asks.

You nod. "I wanted to go to that really cool kiddiepark, but I couldn't take your fun from you. So I'm sorry."

Mike takes a deep breath and closes his eyes, despite being nine-years old he often has a habit of seeming about fifteen years older, he was very mature for his age. He opens his eyes and...