Dear Neighbor,
Sorry I ruined your daughter's birthday craft making, but I took the constant pounding for the last hour. I've been trying to watch a movie and when I'm to the point of going deaf from trying to drown out the pounding yes I'm going to pound on the wall. Thankfully I don't have to work tomorrow or else it would be the time I'm trying to sleep and then I would be even more annoyed.
I understand it is an older place and the walls aren't thick, but be polite. You know that you can hear the neighbors and I doubt if you would want to hear me pounding at 5 am when I get up in the morning. Usually I just ignore you, but it is one of those nights.
I guess we are even though. Considering I have a big note on the door that says "Do NOT ring the doorbell or knock" and you rang the doorbell. Thankfully Peanut didn't run across the floor and hurt herself.
Thanks,
Your neighbor