A coincidental event??

Friday I changed out the kitchen sink faucet. No problem.

Right after that my wife said we had no water pressure. Thinking I had possibly not totally opened back up the valve, I had her check other faucets. Same thing. We are running off a well.

I see no connection, though. We have no frozen pipes and I have turned off the water to the perimeter of the yard and have only water going from the well tank to the house.

I know water lines and how to install them, but that's about all.

What are the possibilities here?

Thanks a bunch.

Jim