Love and relationships are a part of life and sometimes they might seem too good to be true.

Here are some surprising scientific facts about relationship that you may not be aware of are as follows;

1. When lovers look into each other’s eyes for three minutes, their heart rates synchronise.

2. Just looking at the picture of a beloved works in reducing pain and stress.

3. Butterflies are real in the stomach. They are caused by adrenaline which floods your body during a fight-flight response.

4. Pupils dilate when you gaze at someone attractive and it in turn makes you attractive.

5. You only need 4 minutes to decide whether you like someone or not.

6. People are attracted to those with the same level of attractiveness and are likely to end up together.

7. Gazing into each other’s eyes can make strangers fall in love.

8. A cuddle or an embrace releases natural painkillers.

9. People in love have similar chemicals with the people with Obsessive-Compulsive-Disorder (OCD)

10. Falling in love has the same neurological effects as cocaine.

11. Couples who are too similar to each other are not likely to last.

12. Heartbreak is real. Heartbreak might cause real pain near the area of one’s heart and this condition is called Broken Heart Syndrome.

13. Expressing gratitude towards the people you love can bring instant happiness to you.

14. For a long term relationship, an attractive face is preferred over an attractive body.

15. Men fall in love faster than women.

Keep reading SuccessYeti.com

Also Read: 5 unknown mistakes that can break your relationship