So I did my first injection today, pinned quad, had 1 inch needle pinned about half way up, aspirated got a little bubble so I injected it all. No blood no pain no anything, and no lump under skin, so I was just wondering how do I know if it went intramuscular im 99% sure 1 inch was deep enough and when i pinned it was soft going in then it got a little hard about 1/4 inch after pinning so I assume it went intramuscular