24 hours later, I noticed a black and blue mark around the area I shot myself up with test. The area is flat (no bump and no redness, a dull gray) and feels a little sore to the touch, and it feels a little stiffer than the surrounding skin. . I don't know whether it's blood or oil. I went in an inch and half, but I could of been a little more steady (my hands where shaking a bit from working out arms hard prior). If it's oil, that means I wasted gear, since it is not going to be absorbed into the muscle. Now I'm debating whether to take another shot to compensate. Any thoughts?