University of Zurich study revealed importance of playfulness in a partner . The researchers found that men who were more playful with their partners had higher levels of oxytocin, the hormone associated with bonding and love.
University of Zurich study revealed importance of playfulness in a partner . Trait ranked just below friendliness , intelligence and a sense of humour . Playful people deem humour and a laid back attitude particularly important . Builds on US study that showed playulness indicates to women a low level of aggression in men and vitality in women , to men .