Ittichai Rattanathavorn is a facilitator of the Engineering House at Darunsikkhalai School in Bangkok, Thailand. A qualified engineer with an interest is aerospace and automation, Ittichai found happiness in life by combining his love of engineering and teaching. His goal is to be a change agent to improve his country. In this resource, Ittichai shares the story of how he started with the root of “Heart” a key success of a simple life, “Head” a growth mindset with other people interested in a simple life and “Hand” from building robots and automation to building a better life. He says, "I need to prepare myself to be a wellbeing teacher by bringing my heart back home and applying compassion in my engineering classroom. Open my space for people interested in, and believing compassion can change our world by co-designing, co-thinking, and co-working together." In this article Ittichai tells how he began that work, and the central role that Check-ins played in that journey.