Well, you've measured up to his level of maturity, if that counts for anything.

[His tone is sharp and he's scowling back at Toby now, looking him in the eye again.]

I was starting to respect you, Toby. You were finally taking responsibility for your actions. You were finally putting self-pity behind you - or so I thought. Are you going to continue acting like an adult, or are you going to start acting like a child again?