The characters from the Italian Renaissance commedia dell’arte inspired all of Mozart’s comedic operatic roles. Understanding the genesis of commedia dell’arte and its characters will help you find greater dramatic depth in Despina, Giovanni, Figaro, Susanna, and more.
Great singers who also have great breath control get great ovations. Wouldn’t you like to be able to hold those phrases and not have to take those catch breaths, hoping no one will notice? It’s not about trying harder. You need more information.