先从情感上对物质断舍离。
不是essential的东西能不买就不买,能扔就扔,能送就送。
除了内心要足够强大,还需要克服人性自身的惰性 -- procastinate things you don't feel like doing but important, and refrain from doing things you want to do but not valuable, such as eating junk food, shopping for 双11, and chatting online.