"Just a friendly workout, right?" she smiles, her breath heavy from the intense exercise. He grunts in agreement, but his eyes betray him, lingering on her curves, her toned legs, her damp sports bra. She notices, smirking as she arches her back to stretch. "You know what they say," she purrs, "exercise is the best foreplay." He swallows hard, his cock twitching in his shorts, eager to verify that statement.