This. I want a lean, mean Patchy. Not some provocative whale.
Also let's be honest, she's more likely to smack you with a book rather than showing you what's underneath those robes.
And if you already know what she looks like without wearing them, it ruins the magic.
>Why can't she fix her asthma
I'm sure there are spells she could figure out in order to cure that, along with her other health problems. But she's more interested in her pursuits of knowledge than solving personal qualms. They're inconveniences to her but they don't kill her, so she doesn't go out of her way to solve them. As long as she's able to read her books, it's not a crisis. She really is that lazy.