It's hard to explain how much of a privilege it is to serve as a Mohel.
For most Jews, there is no question about whether we will circumcise our child. The questions are usually more along the line of where and what time, as the date is usually chosen based on the baby's arrival... on the 8th day of his life (unless there is a medical reason to delay).
The other question, for the non-mohel-father (the mohel father will circumcise his own son) is "who will we have to help us fulfill this mitzvah?" While none of these are guarantees of the direction parents will go, most people who have a relative who is a mohel will typically go to that relative. People who have a friend who is a mohel might go that route as well. Sometimes a set of grandparents will be fond of a particular mohel and they'll do the hiring (and often carrying the financial load) for all of their grandsons.
Some communities have a mohel who has a monopoly on the community (so to speak), and "everyone uses him." In those cases, the question is never "who will help us...?" but rather "is he available?"
Some people don't live in that one-mohel-for-all kind of community, and will therefore ask their friends things like, "Who was your mohel? Were you happy with the experience?" That will often go the longest way in helping people decide what is best for them and their baby.
And thus it is an absolute privilege to be considered for this important role - at a vulnerable time in your family's story, for an intimate insider's view into your family's dynamic, to play a special role in your fulfillment of this special mitzvah.
Many people tell me afterwards how much they appreciated the role I played, whether the bris was a more explanatory one, or more of a straightforward ceremony type. I try to match the "service provided" with the read on the family that I get, and thankfully, for the most part, it's usually an excellent match, me with each unique family.
All I'm saying is "As much as you appreciate it, I appreciate the trust and the opportunity to help and guide your family through this mitzvah, while giving your son the best care I can, and hopefully producing the best results I can."
As always, thank you for your entrusting your son to my care.
I know that when all is over, he will be fine and in the right hands... YOUR hands... and this day will not even be a memory for him.
Hopefully for you, you'll remember the results more than the process, and will look back at the bris as a memorable and special day in all of your lives.