“About five months ago,” writes Catherine in Massachusetts, a new tenant moved in and began a new exercise regime: running back and forth in the building hallways. “His/her gait is rather lumbering and resonates throughout our apartment,” Catherine says. “We were startled at first, but have come to giggle over this frequent disruption. Apparently, one of our neighbors isn’t laughing.”

From there, things began to escalate. “Fortunately,” Catherine says, the ensuing flame war “just goes to show that most of our neighbors have a great sense of humor.”

related: The very delicate elevator

Writes our submitter in California: “Our custodial staff is very careful about not throwing stuff away just because it looks like trash. This co-worker wanted to make sure the right things got thrown away, but might have gotten a little overly specific.”

The result? “An onion of confusion and garbage.”

related: Hey, that garbage was important!

Our submitter, a college student in Texas, says this note appeared just two weeks into the fall semester. “I’m excited to see what gets posted a few weeks from now when nothing changes,” she adds.

In the meantime, can somebody get this kid a thesaurus?

related: Kiss your mother with that mouth?

Ashleigh says her apartment complex in Gainesville, Florida is “notoriously slow” when it comes to repairs. Apparently, some of her neighbors got tired of waiting.

related: Love, the Landlord

Explains Melissa in Virginia: “As many couples probably do, my fiancé and I have had an ongoing discussion about his propensity to leave cabinet doors and drawers open.” Melissa insists she’s not aggravated by the open cabinets — she just feels the need to bring the issue to his attention.

Then, last week, Melissa was thrilled to receive a beautiful flower arrangement at her office. “Then I opened the damn card!”

related: Really, though — carnations?

Spotted by Matt in Baltimore, Maryland…

related: Your parking job brings one word to mind

Heather in California says none of her colleagues will admit to writing this note, four copies of which showed up one day in the “very, very, small breakroom” at her office.

P.S. As of today, the first page of search results for “activities of common courtesy and how to clean-up after finishing my break” includes a Wikipedia List of Breaking Bad characters.

related: This is in the way

Emily in Texas remembers her parents being convinced she was most uncouth child ever born — they even sent her to etiquette school to clean up her act. Well, she got a rude reminder of those days when she found this birthday card in the back of her closet.

related: Happy Valentine’s Day from Mom