When he ends up ditched in Atlanta after a fight with his dad, Tim decides to do the only sensible thing: Tell no one and make the 800 mile journey back to Gotham on his own. Because the "call Batman when you're in trouble" rule only applies when he's Robin, right?

Dick Grayson was not and never has been afraid of heights. However, there were moments, moments in the wake of tragedy, in the midst of doubt, where he was deathly afraid of falling. — Dick Grayson. Fear Toxin.

After his dad finds out about Robin and reacts...badly, Tim flees to Titan's Tower to lick his wounds and regroup. Except his luck doesn't improve, because the Red Hood decided that tonight was the night he broke in to see just what the new Robin was made of. Violently.

Damian wasn't exactly the type to mince words when NOT magically compelled to tell the truth; perhaps Drake wouldn't even notice. All the better, really. With Drake, that kind of vulnerability would only be used against him. AKA Truth Serum ft. Damian Wayne