Docs, what's a healthy way to increase sexual performance?

Gain skills: Your arousal is largely about how you feel about your partner and the situation. The more comfortable and pleased with the other person that you are, the better your body works. Ask your physician about medication, including the herbal maca preparation, but you'll do better to be physically fit, learn to use your entire body (hands, mouth, more), and study what your partner enjoys the most.