It's true: Oreos with peanut butter are a beautiful thing. It's been more than 15 years since The Parent Trap with Lindsay Lohan  hit the silver screen, but we still hold on to plenty of the lessons we learned from one of our favorite childhood films. Lohan turns 28 on Wednesday, and if you were a kid during the '90s, chances are you've followed Lindsay's best moments  ever since she debuted in the Disney film. Actually, chances are you learned Annie and Hallie's amazing handshake, too, and you definitely practiced a British accent while daydreaming about a life split between England and California's Napa Valley. For anyone who seriously considered learning how to fence to be more like Lohan's onscreen twins, take a look at these very important insights drawn from 1998's The Parent Trap.