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 Germany study that showed playulness indicates to women a low level of aggression in men and vitality in women , to men .
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 .