What Have You Learned About Your Body (That You Wish You Learned Much Sooner)?

.....that you wish you learned much sooner?

Today’s Friday Thread prompt comes from Culture Study reader Lauren, who asks:

What is something you learned about your body (or bodies in general) that you wish you learned much sooner?

I’m most furious that no one told me about the way nerves work differently in different people’s mouths — and that a percentage of the population needs additional anesth…