Name the Poet

Quiz question of the night:

"I will control myself, or go inside.
I will not flaw perfection with my grief.
Handsome, this day, no matter who has died."

These three lines of a poem, circled in a notebook, were found near the dead body of the poet who wrote them. The body was found at the foot of a staircase. Name the poet, who died of a broken neck.