In the famous to be speech why does Hamlet decide not to kill himself? Why is it written in poetry? ACT 3 SC 1

All of 's
soliloquies are written in poetry because these speeches reveal his true thoughts. He puts on an
"antic disposition" for others to see and speaks in prose when he plays his role, but
in the soliloquies he expresses his real feelings and thoughts. Immediately after this ,speaks
in prose to; this type of speech, which Elizabethan...