well i dont leave any airbubble
my wife is a RN so she knows about giving shots, and my first few times i asked her to do it for me and everything you said is right on the money other than the airbubble part. idk what it would do as im not an RN and my wife isnt here as im typing this, but she was very clear to me about depressing the plunger until i see some drip out of the needle. then inject, pull back ( 2 make sure no blood ) and then inject. also rubbing the area after injection helps because of how thick it is. and that is my 2 cents :P
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