10. You Took Pranks Way Too Far
And when you couldnt find someone willing enough to take them off your hands, you resolve to torment them until they run away, so you became an evil genius, bent on their destruction. The youre adopted prank is a classic that every eldest child has played on their sibling (not so affective if said sibling is adopted) and of course, if in a blue moon they managed to prank you and gain the upper hand then you had to finish what they started ten times over. Or maybe you were sat with your brother during a lightning storm and you convinced him with every fibre in you that the aliens from War of the Worlds were about to appear and you freaked him out so much that you got into serious trouble again.