I/we (hubby and I) have been on the other side of this. I got over my jealousy of David playing after two years of him allowing me to have my boyfriend. I started setting him up with my female friends and acquaintances for sex. After me saying that he was good in bed dropping the hint that was available, I was amazed at how many women took me up on the offer.
It was, I assume, for the reasons above, but with me the wife in on the plan, there was no reason not to try this good looking, pleasant guy.