Confess

"I'm gonna have to come clean with you... god i'm sorry... Just please don't tell anybody!" You knew you where putting your life in your bratty little sister's hands.

"Yeah you are! Oh god you're not like, Kelly's bf or something are you?! That would be fuuucked uppp ahhaha!"

"No katie, i'm your brother..."

"WHAAATTT. Nah you're not, lying lol, he doesn't even like me hahah"

"No I am... In the last few years your feet have got so.... Shapely"

"Haha loser, if you're my big bro then text me - from your actual number".

"What do you want em to text sis?"

"Just I love your feet, my wonderful sister" You've made your decision, you just hoped now that she would keep it to herself, whatever the price... You send the text.