Perhaps

He told her lies and she believed them.

The illusion of his false sentiments gave her hope.

And, above all else, is that not what we all want? Something to hope and long for? Something we can't see or touch, but we can feel with the heart.

She may never know why he whispered sweet nothings in her ear, but they will echo in time.

Perhaps one day, a realization will flash across her thoughts, just as briskly he did when he entered and exited her life.

Perhaps there she will find hope in hoping.