You used to ...

"You used to hold my hand years ago when we were courting," she said as they were side by side in bed.
He reached over, took her hand and held it.
"Then you used to kiss me," she purred.
He turned over, gave her a slight kiss and then rolled over again to sleep.
"After that, you used to bite my neck."
With that the husband got up.
"Where are you going?" she asked.
"To get my teeth," he grumbled.