[newjersey]

I second this. Here's a good starting point for free certificates. https://community.letsencrypt.org/t/lets-encrypt-and-heroku-...

Also it seems that you simply let the application crash if the age input is a huge number. Maybe limit the age input to three characters? I'm not sure why 9999999999999999 would crash the app though. Intentional?

[throwanem]

Surely not. Who wouldn't be grateful to live so long?