Circumcision nerves 😁

My little boy is 3 and a half weeks old and I booked him in to get circumcised next Friday and I'm soo scared! My partner was circumcised and its our personal preference to have it done, mainly for the hygiene reasons, but I just worry my little one will be in too much pain 😞 I know it won't last long and that its for the best but is their anyone out there who can try ease my mind? I don't have anyone around me who have had baby boys so I've not been able to ask anyone about it!