irene - wahaha.. then i must never let isaiah out of my sight when i'm w u liao!! i agree tt what they can do now is not any indicator of their 'smartness' or how outstanding they will be in future.. coz hor, by age 3, all e same liao then tt's when the differentiation will show.. haha.. as my hb always say.. xiao shi liao liao zhang da wei jia or sth like tt