With Lush, easy access to pics and porn, the images and memories of a few couples swaps the urge is there a lot. So as often as I can get alone time. Usually 3-4 times a week.
I think any guy that's at least bi-curious would love that perfect scenario. If she requests, then it removes any guilt he may have. I absolutely would!
I would love to try it and the older I get the more I think about it