If you've never watched Animaniacs, the easiest way to think of Hello Nurse is that she's not really a zany comedic character herself—she's the "straight woman" (in the comedy sense) who reacts to everyone else's insanity.

Here's a clue to winning her heart. She's beautiful and knows it. You don't need to tell her that. She's very intelligent but that part is overlooked. Compliment her intelligence, her caring demeanor, her humor. Don't do anything dumb.

(I have no idea who made the artwork, but all rights belong to them)

Here's some other artwork of her: