In A Midsummer Night's Dream, love is a force that characters cannot control, a point amplified by workings of the love potion, which literally makes people slaves to love. And yet, A Midsummer Night's Dream ends happily, with three marriages blessed by the reconciled fairy King and Queen.
Autoimmune diseases arise when the immune system attacks one or more of the body's normal constituents as if they were invaders. When the immune system fails to recognize self it may produce immune cells or antibodies (called autoantibodies) that target its own cells, tissues, and/or organs.
Lupus is an auto-immune disease that can last for decades. Auto-immune disease are disease where the immune system fights the body and organs rather than fighting viruses. With Lupus, the immune system over-reacts and begins to attack healthy tissue and organs - these attackes can be limited, or severe and can have many far-ranging effect.