Merlin, the blathering idiot

When Merlin loses his magic, he is thrust into a state of depression. Without magic, he's just a nobody. Arthur wonders what's wrong and through his perpetual questioning, Merlin has to think of an excuse. In his panic, he picks the only other secret he holds dear to his heart: Unrequited Love. Merlin. is. an. idiot. How's he going to get out of it? Merthur