Anything can be.

He is alone on a dark rainy night,

a woman appears out of the shadows bright as daylight.

He is stunned by the sight,

she is what he fears will soften him.

But no man can be so grim,

an angel she might be, he will see.

He steps forward to greet,

her light softly seeps.

She calms and puts him to sleep, 

he wakes but finds no sign of her.

She is gone but rest assure. . .

there is no knowing what can occur, to an ordinary sir.