My friend and I, when we first did the experiment, couldn't get over how awesome this was, and while the effect was less noticeable after 3 or 4 months, it was there right up until I quit.

我的朋友和我，当我们最初进行这项实验的时候，几乎不能忍受，3、4个月后效果还是微乎其微，我几乎快放弃了。