He smiled at Lavinia.
She saw his smile and raised it an eye-twinkle.
Unperturbed, Grimper saw the eye-twinkle, hid his surprise beneath his poker face and raised it a boyish half-wink, simultaneously noting that Lavinia’s cheeks shaded just ever so slightly pink.
He waited for a response, which was not slow in coming. She saw his half-wink and raised it a slow lowering of the eyelids, immediately raising further with a direct look into Grimpers eyes.
Grimper, this time, met the direct look, but did not raise.
Metaphorical cards on the table thus revealed, Grimper continued.