The Ice King — Dinah Dean

He was acting like a jealous man

But the moment the thought entered her head, Tanya dismissed it as utterly impossible. A person had to have feelings in order to be jealous, and Prince Nikolai hadn't earned the name Ice King for nothing.

He seemed devoid of all emotion--particularly love. What had happened to him, wondered Tanya, to turn his heart so cold that no woman had been able to thaw it?

The answer to the question was shocking, and it turned Tanya's feelings into a confused mixture of pity... and love.