[He waits a beat to see if there's anything else Arthur wants to add, then swallows his disappointment when there isn't.]

My shining personality, obviously. I'm touched. [At least he doesn't have to fake the amusement. Not when it's Gwa--Gavin who got Arthur into this state. Some things just never change.]

You let Gavin drag you out for drinks, mate? Haven't you learned anything?