To tell a toddler that their heart only possesses so many beats, and it’s best not to waste more energy than necessary on tantrums would not land with any recognition of reason. Sadly, the same message is lost on most adults, even when we know better. We bear the burden of reason having dawned on us and yet routinely make it worse by missing the point of what that means, and choosing not to live by means that will better change what we know is certain.