By Mariam Khan Being head over heels inlove can lead many people to do things that they probably wouldn’t do unless they were really into the person – and scientists are one step closer to understanding why. Until recently scientists didn’t know much about love and how it can impact human behaviour but a new study has completely changed things. The study asked 1,500 young people, who identified as being in love, questions aboutrelationships and their behaviour towards their significant other – and it showed that your brain operates completely differently when you are in love, compared to when …