I won't forget that happinest moment of my life when we were together.
I will remember the days I spent with you forever.That's happiest time I've ever had
i will keep in my mind the time with you. that is the best time of my life.
I'll never forget the time to be with you.That is my happiest time.
That period of time that I will remember staying with you forever, that is my happiest time.