I was doing my 3cc shot today. I poked and it felt wierd going in. I aspirated and got bubbles. Then when i injected about 1cc of juice in, the plunger got hard to push in, i had to really squeeze down on the plunger to get the juice in. And finally got it all in, pulled out the needle and saw blood in the syringe. What happened when the plunger got hard to push in and blood in the syringe?