"I suppose I shall have to tell you," I said slowly. "I'm not ashamed of it. You can't be ashamed of something that just — happens to you. That's what he did. He was detestable — rude and ungrateful — but that I think I understand. It's like a dog that's been chained up — or badly treated — it'll bite anybody. That's what he was like — bitter and snarling. I don't know why I care — but I do. I care horribly. Just seeing him has turned my whole life upside-down. I love him. I want him. I'll walk all over Africa barefoot till I find him, and I'll make him care for me. I'd die for him. I'd work for him, slave for him, steal for him, even beg or borrow for him! There — now you know!"
Suzanne looked at me for a long time.
"You're very unEnglish, Gipsy girl," she said at last. "There's not a scrap of the sentimental about you. I've never met anyone who was at once so practical and so passionate. I shall never care for anyone like that — mercifully for me — and yet — and yet I envy you, Gipsy girl. It's something to be able to care. Most people can't. [...]"
— from The Man in the Brown Suit, by Agatha Christie.
I'd forgotten what a pleasure Christie is to read.