Originally Posted by Bait
Run the Prop 8 weeks. Are you homebrewing it? If you are there are ways to make it less painful that I've read about. There was also a thread here about some sort of pH changer that would make the Prop more bareable, but it ended up just helping healing time. You can work out the musvle the same day if you're able to do so lol.
Best advice: slide the tampon in & man up. Do the injection, the pain is temporary. 4 sites is enough, but the more the better to build up less scar tissue. If I was you, I'd rotate between glutes, delts, ventros, & lats.