I was doing my injections at my workout partners house today, and all we had were 25g 5/8" amd 21g 1.5". I was pissed that he brought the wrong needles and didnt want to drive the hour and a half to go back and get the 23g's, so I said fuck it and used the 21. HOLY SHIT did it hurt! Injection only took like 10 seconds, but I cant believe I had the balls to shove that thing in me! Well, I was just curius what other people felt when they took the "harpoon" sized needle!