Don't have to lush.
There is few things we can do.
But piling constantly helps for big result.
Don't have to compare.
Hapiness is not decided by the number of comparison.
So we need to define what makes us happy and be cheerful.
Books of Takumi Yamazaki, English ver.
http://www.amazon.com/Shift-ebook/dp/B007VSDZPG/ref=sr_1_2?ie=UTF8&qid=1370728415&sr=8-2&keywords=shift+takumi+yamazaki
Able to download if you click this site.