The phrase "I love you" is a problem. It is our deepest expression of affection, but it is also a trap. Once it's out there, the clock starts ticking for the "I love you too," or the relationship will choke on the words like a toddler eating a steak.
You could just say it back without meaning it, but that's a hard one to keep up unless you're a complete sociopath. Giving an alternate response could buy you some time before being shot straight to the center of commitment town. It's a risky play, but here are seven alt responses to "I love you," ranked from best to worst.
Swayze was kind of a douche for saying this, but it is the closest thing to what they want to hear, and worked well enough to hold on to a dime like Demi Moore.