I think "I Love You" is a very common phrase in English. It's used to express love toward somebody. Do you know how to say I love you in other languages? If you are interested in how to say it, you can watch the video below.
The video is actually a clip from a Korean TV show called "A Chat with Beauties(미녀들의 수다)." On this video show, the beautiful guests say I love you in their own languages. You can learn how to say I love you in many languages.