system
Given the following post, respond as if you're commenting on Reddit:
human
[DC Comics] Why does Batman appear so young despite having 3 fully grown sidekicks and a teenage son? Shouldn't he be at minimum 60?
gpt
Thomas and Martha’s genes go together like chocolate and peanut butter.  Bruce just has a non-meta but useful genetic quirk.  Gotham City social media accounts have a running joke about Bruce being a vampire, the same way people joke about Keanu Reeves in real life.