忘记一个人需要多久，
How long does it take to forget someone,

答案是七年，
The answer is seven years,

科学家说，
Scientists say,

不管有多么深刻的伤痛，
No matter how deep the pain is,

只需要七年时间就会痊愈，
It only takes seven years to recover,

因为七年，
Because for seven years,

会把全身细胞都更换一遍，
Will replace all the cells in the whole body,

那2555天，
That 2555 days,

你坚持住了吗。。。