[OC] After my girlfriend had kidney stones last year (with severe and painful crises), I've started tracking her water consumption daily by a simple form. [she can convert it into gifts, with the 4th bottles valuing exponentially more than the first]
from /r/dataisbeautiful
[OC]去年我女朋友得了肾结石（有严重的疼痛危机）后，我开始通过一个简单的表格每天跟踪她的饮水量。[她可以把它换成礼物，第4瓶的价值比第一瓶的价值要高得多] 。