Well, he's always been told he's pretty optimistic. In bad situations too. Well, not all the time but in most cases. But when he thinks about it....

"Well, I hadn't run out of options yet". Even though it was frustrating that he could not move the large rocks by himself. But even then, he had not given up and would have tried to find another way out or something around the house to get rid of the rocks. It actually takes a lot to send him into despair. "Besides, you showed up so I can't really complain."