Seven years ago,
As I said, I only give myself seven years. If you still don't like me after seven years, I will leave on my own.
Seven years later,
Time flies so fast. I have to leave you. It has been seven years, but it is not long or short. I have given you the best of my life, from the first year I met you when I was eighteen to now twenty-five. I have never regretted falling in love with you. Probably, I will never fall in love with someone so deeply in my life.