Ah, so he had just turned of age then, Aberforth had been tending bar long enough to know the type and he had to suppress a smile at his defense. Pursing his lips together instead, he nodded his head and raised a hand in defense. "Just checking." he replied, wiping his hands on the towel on his shoulder and pulling a clean glass out for the kid or man as he so adamantly pointed out. "So, what can I get you then?" he asked, not lingering on the question of age any longer now that it had been addressed.