Are you in a relationship that goes well and one of you says "I love you"? The two most unfriendly words anyone can say in the first few exits. How to know when it's time to say "I love you" for the first time? Even if he decides, who should say it first?

"Sex and The City," my favorite real-life Bible, has an interesting episode when Miranda's boyfriend, Dr. Robert Leeds, gives her a surprise with cookies that read "I Love You." Perhaps he was not able to say those two words out loud, so he found a really sweet way to express what he was feeling.

But it's not all that fun, either in the game or in the movies. There is also some scientific analysis ahead of the dilemma of "Who should say I love you first"? Jenna Birch gives a scientific answer to this piece, which is published in Psychology Today.

At first glance, women are more likely to say "I love you" for the first time because they want to test who they are dealing with. First, unless the same is said on the other hand, it will not be easy to repeat. Women are even more skeptical than men and, starting with that, they think that men first want sex - when they say "I love you" first.

But there's a shocking truth: a 2011 study conducted by Marissa Harrison, a professor of psychology at the University of Pennsylvania, reported that women know how to control emotions: "Women are predisposed to overcoming emotions ... It's a very natural defense mechanism that gives them time to accurately assess the value of the partner, �said Harrison.

Do men say "I love you" just because they want to get you to bed? Maybe!

Joshua Ackerman, an assistant professor of psychology at the University of Michigan, published a study in 2011. According to the study, men who say "I love you" before having sex have used these words to gain partner trust. and shorten the time to intimate relationship.This is true (in part)!

So if you are ready to say "I love you", be sure you feel it. No one will feel cheated.