Nervous about mole removal!?

im 15. soo this is kind of embarassing. in a couple of weeks im getting 3 moles removed. two on my stomach, and one on my butt. -__________- this is already embarassing enough, but im scared of the actual procedure. i heard they have to give me a shot of novocaine and i absolutely HATE needles. i will pass out if i even see it. and also, after they give me the shot.. what do they do??? do they cut way deep into my skin?? im scared af. and im freaking out. someone please help?