Gene mutation makes people more likely to fall in love by oxytocin 

The genetic mutation boosts the mood and ability of more romantic people to form relationships, according to researchers from McGill University, Quebec. https://www.dailymail.co.uk/sciencetech/article-8647889/Gene-mutation-makes-people-likely-fall-love-oxytocin.html?ns_mchannel=rss&ns_campaign=1490&ito=1490