Betrayal Quotes in Harry Potter and the Cursed Child

Albus feels like he has betrayed his family name by being sorted into Slytherin. Or does Albus actually want to betray the family name, like many fifteen-year-olds before him?

Harry grapples with guilt about people dying because of him. Albus grapples with the guilt of betraying his father. So he wants to fix that by undoing what makes his dad guilty, and by doing so he betrays basically everything. It's a vicious cycle.

This is a brutal exchange, and their relationship as father/son will be forever damaged. But neither one is lying. Is it possible to betray someone with the truth?