Severus Snape's Son - A father's Sacrifice

Post War I : Severus Snape falls in love with Olivia but he keeps it a secret. Albus Dumbledore is the only one who knows and he insists that Severus keeps it a secret because he is more than certain that Voldemort will return.
When things go wrong, he tells the Weasleys, who will raise the boy until he reaches 16.
Will Severus manage to have a proper relationship with his son?