I find myself writing "Then, ..." a lot. Example:
As soon as she found my letter---or rather, Kiyoshi's---she widened her slitted eyes and pressed the letter against her chest. Then, as though she were handling a delicate glass sculpture, she opened the envelope.
Mr. HSC squinted his slanted eyes at me. Then, setting down his chef hat on the counter, he said, “Look my shift’s over. How ‘bout we go to the izakaya around the corner?
I answered her smile with my own. Then, receiving her apple, I asked her, "So > what now?"
How can I replace those thens? (For some reason, I feel that the sentences sound weird without them. Maybe I'm wrong?)