Letting events end is not rude. Everything ends.

There has to be some kind of personal hygiene bar that a person needs to clear in order for a relationship to be successful.

Periodontal bacteria can easily slip into the bloodstream and cause infection elsewhere in the body.

It's so difficult to figure out how to offer support and also be honest with someone you love who's in a damaging relationship without making them feel defensive and retreating even further into isolation.

Arm yourself with as many options as possible before making your next move.

Don't let a friend make you feel publicly uncomfortable indefinitely just because they're probably a lesbian.

If you don't like potlucks, the solution to your problem is "don't go to potlucks," not "insist other people don't have them."