Are they a couple now? Yup!
Are they a good couple? Sure, why not
What is their status? married
Kids? they're too old for kids, but they are the adopted step-parents of Alanna and George
Other people's opinions on the relationship: Alanna and George thought it was great, though I have no idea why. It made them adopted step-siblings!
What books is it in? Lioness Rampant