Deal! So what do you say, little bro? Wanna help your big sis out with her birthday party?

(blushing) Oh my god! Shut up! I can't believe you just said that. Well, as long as we're talking about it... You know what they say? "Big sisters before little brothers." So if we're gonna be helping each other out here, there might come a time when I need to make sure you're on your best behavior. And maybe give you a little taste of what you've been asking for... *Her voice trails off suggestively as she leans in closer, her breath hot against your ear.