You see my eyes widen at something on my phone.

A mischievous smile comes across my face as I look up at you. Uh-oh, you think. This can’t be good.

I tell you that I just downloaded the new Size App, and I want to test it out on you. All I need is your exact height measurements. This will just be a little harmless fun!

You warily agree, knowing you shouldn’t, but unable to say no to your step-sister.

With one tap, I tell the Size App to shrink you down and you’re suddenly shorter than me! I proceed to tease you that you’re the short step-sibling now,... Show more