1.   American men demand sexual fidelity from their long-term mates and often go berserk at the mere thought that their wives or sweethearts are unfaithful.

2.   Does sexual fidelity matter?

3.   In short, men were much more concerned about sexual fidelity, and women about emotional faithfulness, he said.

4.   Mollifying Carla with a needless speech about the importance of sexual fidelity, Blake is naturally dismayed to find that Lou is on the premises too.