Dear to concieve u need a sperm count of 40 millions and progressive motility of 60% there is no relation of sex time to make ur wife
pregnant u just need to deposit ur sperm in her vagina second thing as per ur enjoyment of ur sexual life yes we can increase ur erecrion time and sex stamina without any side effect with proper and systemic ayurvedic medicine as ur taking viagra it contains sildenefil citrate which on regular usage may harm ur heart or other organs too so it is not recomended to take daily
Next Steps
consult me privately for more details and treatment