How to use "calmer" in a sentence

I am calmer than before

I have found the best way to sit and feel calmer in the warm air

How far away that seemed! I felt calmer, much older now

Alexander was increasingly confident that they would reach the installation unscathed, and he was aware that even Kurt Hensen, who hated flying with Morgan, was calmer now than he had been ten minutes ago.

He grew calmer telling me