Most of this stuff in PE is the result of experimentation from guys that know what works and what doesn’t. I’ve always been the type of guy that learns from other peoples failures and successes. So, if anything listen to guys like Cheeva. He seems to know what he’s talking about. I mean it.
As far as I go, warming seems to be the key. I bought one of those gel type heat pads with a cloth sleeve around it. I put it in the microwave for about 45 seconds, take it out squish it around to disperse the heat and whack it on my limp wang for about 5 mins. From there I go to stretching. Amazing difference between a heated and non heated workout.
As far as masturbation goes, I save cumming for my girlfriend. I just recently started to spank it just under the point of cumming (edging) a few times and clamp down at the base with my hand to keep the increased blood in there. The sensations are insane. Then I save it for my when I come with my GF and the orgasms are near life threatening. They are that intense that I nearly pass out.