The context of the following conversation is Robin anxiously awaited their turn to get their flu shot, since they were afraid of needles.:
Robin says I am so nervous!! What if the needle snaps or breaks?.
The friend responds I would not worry about..
Robin responds No way, I am not going to get a flu shot..
The friend responds As long as there're no air bubbles in the needle you'll be fine.
Robin responds Air bubbles? What do you mean air bubbles?.
The friend responds Just go!.