What’s your go-to strategy for dealing with neighbors who throw wild parties and leave a mess, without making things awkward?

Why do INTPs sometimes deliver "right facts at the wrong time," and how can others better understand this quirk?
Have you ever had to deal with a possessive partner in a medical situation? How do you usually handle it without escalating the situation?
Why do you think some flight attendants choose to break the 'professional' demeanor and connect personally with passengers?