i think they also invented sleeping and eating nthey are so genius n rollingonthefloorlaughing rollingonthefloorlaughing rollingonthefloorlaughing rollingonthefloorlaughing rollingonthefloorlaughing rollingonthefloorlaughing rollingonthefloorlaughing rollingonthefloorlaughing facewithtearsofjoy facewithtearsofjoy facewithtearsofjoy facewithtearsofjoy facewithtearsofjoy grinningfacewithsweat grinningfacewithsweat grinningfacewithsweat grinningfacewithsweat