It's pain to learn one must take care to avoid confusing math with everything else. Unexpectedly, sure. Safe languages...sentimentality. Thought processes... everything it can be compared against. Here be dragons, tedious caution required.
Why not?
Axiom of choice, choosing the right thoughts to have versus to speak.
If you don't understand, you don't want to. It's a perpetual type of terror that often has nothing to do with reality, but you can never be sure.