Some women have signs or symptoms of infection which include a strong vaginal odor after intercourse. The cause of this problem could be a bacteria parasite called Trichomoniasis. The infectious disease can be past on to men. Read their personal experie
I have read if someone is sleeping with someone else their sexual needs may change. I mean, trying things with you that are out of the ordinary and wanting more love making.
About wife's personal experience of husband's inability to deal with his impotence problem. Understand the psychology, physiology and anatomy of male performance issues.