To study Tai Chi & Kung Fu forms is to be a student of detail. Mr. Yu would say that within the forms are secrets - it wouldn't help at all if he just told you what they were because to use them you had to discover them for yourself. But he encouraged all of his students to have great respect for the form as it leads to effective push hands and self defense as well as improved health an efficiency in everything you do. Tai Chi must be studied before Kung Fu