Vaseline survey

A man doing market research knocked on a door and was greeted by a young woman with three small children running around at her feet.

He says, 'I'm doing some research for Vaseline.
Have you ever used the product?'

She says, 'Yes. My husband and I use it all the time.'

'And if you don't mind me asking, what do you use it for?'

'We use it for sex.'

The researcher was a little taken back. '