He would use words like enrapture.
Written in ink with a kick to each last letter of a word.
She tried to copy his style in response, but a biro only affords you so much flair and the fountain pen wouldn’t obey her hands.
But he was still charmed, delighted, enthralled by her words; captivated by her in a way no one else could match.
At least that was what the correspondents said.