ok, the other day i was injecting some deca 300mg and i asperated and a little blood came into the needle, i tried this 3 times in the shoulder, and glute and all three times i hit a vein...ouch...there is a little bit of blood in the syringe but i do not want to waste my 300mg. WHat should i do?? is it safe to inject if i sterolize the needle?? and how can i prevent myself from hitting a vein next time around??