How to use "happiest" in a sentence

It was my happiest time of all

And then, in Boston, I realized that I loved you, and I was the happiest girl in the world

It was the happiest night of Cosette's life, spoilt only by one thing: the fact that her guardian - whom she still thought of as her father - went home before the feast had started, saying that he felt ill

Of the three, Connie was happiest with these changes

My narrative ends here, at the end of the happiest period in my life.