"Well, Shared sex might be interesting." Belotti sounded as if he were repeating excuses he had made before. "But you wouldn’t get much effect by telling someone he’s having an orgasm. Too tactile, very little to do with visual input. Still, since the enkephalin supresses pain impulses, pleasure would be correspondingly enhanced. But remember, this is fairly mild at the dosages we’re looking at. Take too much and there’s a tendency to withdraw. You get into hallucinations. It’s unpredictable—dangerous."