If Adam Wheeler gave it some thought, or if someone were to prompt him with the right questions, he could put words around the fact that his existence doesn't bring him any satisfaction. He would discover, on introspection, that he's nowhere close, actually, to "happy", and that there is something vast and significant missing from his life. But he doesn't give it any thought. There's a void between him and those questions. Objectively, academically, his life is great.