A lovely writerly moment

I went to WeightWatchers last night (Pro-points... now there's a scary prospect) and as I was sitting waiting for the talk to begin after the kind of scary weigh in a woman approached me.
I'm getting used now to being asked "Are you the girl that writes the books?" and while I still blush furiously I have learned to deal with it by thanking the person for being so nice, telling them I'm glad they liked what I had written and maybe, if I feel like pushing it, telling them when the next book will be out...
Last night floored me a little. The woman very kindly told me that last year, while her husband was going through Chemotherapy and while she was coming to terms with his eventual passing my books had "got her through".
I didn't know how to respond. I just said thank you, but that didn't seem enough especially when she stopped me and said "No, thank you."

It was a nice moment - bittersweet of course because obviously I'd much rather this lovely lady hadn't lost her husband - and it gave me the impetus to push myself a little bit closer to that finish line.