Take the Redbook poll . But, just as most women need to be touched to become aroused, that becomes true for men, too, and the change has nothing to do with our desire for our wife or even with the length of time married.
Most men respond well to oral contact.
What's important is the effort with sex, enthusiasm can be just as important as technique. For many men, foreplay for them is also foreplay for you. There's pleasure to lavishing attention on their wives' bodies, a joy to seeing smooth flesh turn into goose bumps. I know I don't have to. I want to, and I like to.