Interesting timing - I was just researching on Sildenafil and considering boosting up to 100mg, because my last punt didn't work out as planned. Thinking back though, I so badly wanted to experience everything on offer, I tried too hard to stop including the old pressing on the base of the penis trick, which didn't impress the lady in question. Everything went downhill from there.
Laying off porn and stopping myself from masturbating daily and a healthier lifestyle has certainly helped, but I still seem to need some of the blue pill to ensure I stay hard throughout but the 50mg isn't quite keeping my end up for as long as I'd like.
I'd also suggest leaving a couple of weeks minimum between punts and I like the idea of that article about leaving your cock completely alone for a whole week and ignoring any hardons, just can't quite seem to stick with this plan....