What topics are you unable to discuss without getting angry/frustrated?

RULES: Do not actually discuss the topics.

This is really just an attempt to name them. For example, I recently got into a thread here about breastfeeding. I am aware that I probably get heated more quickly than I should about this. There are a few other topics that I can’t handle as calmly as I would like. Do others feel that there are topics that for some reason or another they get more short-tempered when discussing? I get the feeling I am seeing similar pattern with people on Fluther.

So, do you have any of these topics? Have you always been aware of them? Are you comfortable with your response, or would you prefer to be more calm?

Again – it would be nice if it didn’t go into a tirade about the topic.