It's not all about you and your comfort.
Other people have their own problems they're working on.
She may as well be aware of her antagonizing problems, but she can't magically overcome them at the moment's notice - that could be why she goes to Aikido in the first place.

Just because she can't adapt to you, doesn't mean you can't learn to train with her.
Just because you don't want to yield and don't want to hurt her, doesn't mean that you can't come up with a middle way to assert your space without starting something ugly.
Just because she is narrowminded, doesn't mean that you have to be.

When you start being selective about "avoiding" certain partners (he is too rude, she is too stiff), your progress in Aikido is dead.
It just doesn't know it yet.