You have to if you're going to be together for any length of time.

What has the length of time to do with it?

I am sure she really found herself in that length of time.

She held him just the right length of time and then let go.

The average length of time for a period is three to five days.

She was the only woman I'd been with for any length of time.

You really don't want to be around me for any length of time.

But he would never take action any length of time after the fact.

But, in that length of time a girl can change.

What had kept them away for such a length of time?