Today was shot number two of my cycle. A little less nervous to start, I didn't shatter the amp opening it this time. Got the pin all loaded up no problem, switched needles to the good ol 23g, swabbed a big spot on the right quad and pushed it in. My nerves were a little cooler this time but I almost forgot to aspirate. My wonderful girlfriend caught it and thank god she did because when i pulled back on the plunger, a bubble of blood was in the syringe. This got the good old nerves going again. I pulled out and put on a new needle but didn't know what do do about the bubble of blood in the syringe. When I aspirated again it was hard to tell if it was just bubbles because of the blood in the syringe but it looked ok so I injected. Its been 4 hours and I'm not dead so I guess I'm ok but was injecting the blood back into my muscle ok? What's most common practice? My workout suffered a little because the injection almost made me late to the gym and I was a little pale from the whole experience. Site is a little sore but would I be able to tell if I injected into a vein? Thanks bros.