I have been blogged by coworker about my mistake on team work with him, which is a wonderful lesson for me to learn. http://www.opendiary.com/entryview.asp?authorcode=D435984&entry=20223&mode= Since then I collect information about due with change and resistance. http://tech.groups.yahoo.com/group/extremeprogramming/message/123257?var=1&l=1 http://www.dhemery.com/articles/resistance_as_a_resource.html http://martinfowler.com/bliki/AgileImposition.html http://www.stevenmsmith.com/my-articles/article/the-satir-change-model.html Ignore human factor causing team broken - http://dnicolet1.tripod.com/agile/index.blog?entry_id=1964378 We agree... but ... http://jchyip.blogspot.com.au/2013/01/we-agree-but.html