It was at thirteen years old that Marya Morevna learned how to keep a secret, and that secrets are jealous things, permitting no fraternization.
Catherynne M. Valente (2011). “Deathless”, p.25, Macmillan

It was at thirteen years old that Marya Morevna learned how to keep a secret, and that secrets are jealous things, permitting no fraternization.