Smoking could be to blame for your sexual dysfunction — not to mention a higher risk of cancer and unpleasant breath. Smoking can impair circulation, increase your risk of suffering from erectile dysfunction, and decrease your sperm count and viability. Being overweight and failing to exercise can both impact your sexual performance, so get moving and get healthy. By fine-tuning your cardiovascular health, you could be building bedroom endurance as well. But refrain from riding a bike too much, as the constriction caused by a bicycle seat may cause temporary erectile dysfunction...consult psychiatrist they will help you