He squeezes Alec's arm as if testing his arm strength, "Seems pretty strong." Grinning for a moment before it turns to a pout and pretends he wants to cry, "Do I have to let go?"

But he slowly let's go of Alec's arm. He already knows how this is going to go. He will start to get confident and then when he least expects it he is going to end up on the ground. Perhaps it is simply time to face the inevitable.