PHALLUS....have u ever tried combining oral viagra and the 6u of trimix? Has anyone ever tried combining?

Hello Everyone, Does anyone have experience with long duration erections? I will inject 10 U and get a good response, but then I maintain an erection for about 6 hours, but it is not a raging, super hard, full erection. It is not painful. I am probably at 85% of full erection and will go to 100% if ...